Lo on hayward pool heater

H250FDNASME, H250FDPASME, H400FDNASME, and H400FDPASME. H135ID1, and H135IDP1. Water Pressure Switch Replacement Procedure. FDXLWPS1930 for Universal H-Series (Forced-Draft) Heaters. This kit is intended to be used only with Hayward Universal H-Series (forced-draft) gas heater models. These heaters may be.

Hayward H series pool/spa heater indicating 'LO' in the key pad LCD window ('Service' light is on as well). Please - Answered by a verified Pool and Spa Expert ... We have a hayward pool heater - 21 foot pool. Pool just opened. Turned on heater - Says needs service - temp window says low. Propane is on.Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp ; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp ; Weight 2.7 poundsTurn off the pool heater using the power switch or breaker. Wait for at least 30 seconds to ensure the heater completely powers down. Turn the power back on and observe the display board. If the display board is functioning properly, it should show the default screen or a startup message.Cleaning the burners on your Hayward pool heater is essential for keeping it running smoothly. Follow these simple steps to get the job done: Step 1: Turn off the pool heater and disconnect the gas supply. Allow the unit to cool down before proceeding. Step 2: Remove the front panel of the heater to access the burners. HeatPro In Ground Heat Pump, 140,000 BTUs, Square Platform. Hayward has an advanced lineup of gas heat and electric heat and heat+chill solutions to deliver the ultimate control of your water temperature. Raypak - 014784 - 156A Natural Gas Pool Heater 150K BTU for 0-4999ft Elevation. $1,853.00. Shop Now. Pentair - EC-462025 MasterTemp, Low NOx, 125K BTU, Propane Gas, Pool & Spa Heater with Cord - Limited Warranty. $1,759.00. Shop Now. Raypak - 014786 - 156A Propane Gas Pool Heater 150K BTU for 0-1999ft Elevation.Best Pool Heaters: Comparison Table. Best Pool Heaters 2022: Reviews. BEST OVERALL: Hayward H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater. BEST SOLAR HEATER FOR ABOVE GROUND POOLS: Intex 28685 Solar Heater Mat. BEST ABOVE GROUND POOL HEATER: Hayward HP50TA 50,000 BTU Heat Pro Heat Pump.

Discover Hayward's commercial heaters for efficient and reliable heating solutions. Perfect for commercial applications. Explore now! ... Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. Support. Support Center; Resources. Pool Financing ...Hayward makes a range of pool filters, and only some of these filters require backwashing. The filters that do require backwashing are often fitted with the Hayward Vari-Flo multip...Many choose Hayward pool heaters to keep their pool water comfortable and warm. However, sometimes these heaters can experience issues that require a reset. To reset your Hayward pool heater, you'll need to turn off the power, wait a few minutes, and then turn it back on again. This simple process can resolve many common issues and get your ...The Hayward Heater HS code indicates that either your water temperature has exceeded a maximum of 104°F or the water temperature is changing at an unusual rate (faster than 6°F in 60 seconds or less while the heater) is on and firing.Hayward H400FDN Pdf User Manuals. View online or download Hayward H400FDN Owner's Manual, Troubleshooting Manual ... POOL AND SPA/HOT TUB HEATERS. Brand: Hayward | Category: Heater ... LO" Code. 46. Pressure Switch Adjustment. 49. IF" Code. 52. AC" Code. 57. AO" Code. 58. Heat Exchanger: Flow Requirements. 61.Sep 1, 2011. #7. Yes, that's correct. It allows you to set two different temperature settings for systems that switch between a spa and a pool. For those systems, there should also be another connection or component (such as a flow switch or In-house electronic control system) that tells the heat pump which mode to go to.I have a Hayward H250 pool heater and just today when I turned on the pump and heater the heater started flashing "Lo" - Answered by a verified HVAC Technician. We use cookies to give you the best possible experience on our website. ... H250 hayward heater goes right into LO and dervice light comes on ...Hayward H-Series Indused Draft Heater 100K BTU Natural. Hayward has developed an induced draft heater for above-ground pools and spas that combines state-of-the-art technology with ease of operation and superior performance. Featuring an electronic, direct spark ignition system and an energy-efficient FireTile® lined combustion chamber, the Hayward heater provides 100,000 BTU input, while ...

Home / Pool Equipment / Pool Heaters & Heat Pumps / Hayward Pool Heater Troubleshooting Hayward Pool Heater Troubleshooting September 24, 2019 October 12, 2023 Mark GarciaIf your Hayward pool heater is displaying the LO code, it means that the limit string is open and the heater will shut down and enter lockout mode. To fix the problem and close the limit string, you'll need to wait 2 minutes for the automatic restart. A malfunctioning temperature limit switch, water pressure switch, or vent pressure switch ...Steps to Maintain Your Hayward Pool Heater. Step 1: Turn off the power supply and gas valve before performing any maintenance. Step 2: Remove any debris from the heater and surrounding area using a soft brush or vacuum. Step 3: Inspect the heat exchanger for any signs of corrosion or buildup.NEW Hayward Universal H-Series Low NOx heater combines industry-leading hydraulic performance; environmentally responsible low NOx emissions and a standard cupro nickel heat exchanger with a low profile appearance, lighter weight design, independent left or right side electric, water and gas connections plus 2" x 2 1/2" CPVC union connections ...

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I have a Hayward H250 Natural Gas Inground Pool Heater that I bought 4 years ago. The burners fire up but the temperature won't go beyond 69 degrees. The ambient water temperature is 68 degrees. the t …Pentair 42002-0024S Pool Heater Pressure Switch: This pressure switch is specifically designed for Pentair pool heaters, but can also be used in other pool heaters that require a 2 PSI switch. Len Gordon 800120-1 Pressure Switch : This pressure switch is a direct replacement for Len Gordon pressure switches and is compatible with most pool heaters.Hayward W3H150FDP Universal H-Series, Low NOx, 150,000 BTU, Propane, Pool and Spa Heater delivering durability, reliability, and energy efficiency. "Totally Managed" Flow saving energy by reducing pump run time. Silicon Nitride Ignition System. Cupro-Nickel Heat Exchanger ensures compatibility with almost all pool systems including salt pools.My Hayward H100ID stopped heating the swimming pool water. I spent 3 afternoons and evenings of my free time pulling my hair out trying to figure out the pr...Connect the water supply: Attach the pool heater to the water supply, following the manufacturer’s instructions. Make sure to use the appropriate fittings and ensure a secure connection. Connect the gas supply: If you have a gas-powered hayward pool heater, connect it to the gas supply line using the correct fittings.

While all Hayward H-Series heaters are energy-efficient, the Universal H-Series 300 Low NOx heater has an 83-84 percent industry-leading thermal efficiency. ... Hayward Universal H Series Low NOx 300,000 BTU Natural Gas Swimming Pool Heater SKU: H300FDN. 5.0 See Reviews (3) $3,259.00 $4,187.99 You save 22%. Found a better price? Special Deal ...Set both the pool and spa desired temperature on the heat pump before turning on the remote. Once the remote is calling for pool or spa you will not be able to change the function on the heat pump without turning the remote off. Use Terminals 1 and 2 for 2 wire remote connection. Use Terminals 3,4,& 5.Details ADD TO CART. Hayward Universal H-Series Heater, Low NOx, 250,000 BTU, Natural Gas, Cupro-Nickel Heat Exchanger - W3H250FDN. Part # W3H250FDN. 4.83. $3179.00 IN STOCK. BTU 250,000 BTU Heat Exchanger Cupro-Nickel Type Low NOx Ignition Electronic Manufacturer Hayward Heater Type Natural Gas. Details ADD TO …Hayward Universal H-Series Low NOx Induced Draft Pool & Spa Heater | 200,000 BTU | Natural Gas | W3H200FDN. The Hayward Universal H-Series gas heater is the "universal" energy efficient remedy for any new or existing pool or spa. An industry leading hydraulic design reduces circulation pump run time to provide energy savings of up to 18% when ...Stumbling upon a 'LO' code on your Hayward heater can be quite the head-scratcher. Don't worry, you're about to unravel the mystery behind this cryptic message. This code …If your pool heater isn't coming on, it could be your pressure switch (or you need to backwash/rinse your filter system). This DIY video shows you step by ...The Hayward Heater HS code indicates that either your water temperature has exceeded a maximum of 104°F or the water temperature is changing at an unusual rate (faster than 6°F in 60 seconds or less while the heater) is on and firing.Follow the included steps to place the heater in bypass mode for external control. Step 1. Press the ‘MENU ICON’ button to place the heater in ‘STANDBY’ mode. Step. The ‘SPA’ indicator should illuminate & the display should show the Max Temp set point. Step 2. Press and hold the minus & plus buttons for 3 seconds.So the H250 with an input of 250,000 BTU's actually puts 210,000 BTU's into the water per hour. Discounting heat loss (which there is always some) if you are using a Hayward gas heaters to heat the 18,000 gallon pool we have discussed above you will need: 22.58 therms of natural gas. 24.75 gallons of propane.Steps to Maintain Your Hayward Pool Heater. Step 1: Turn off the power supply and gas valve before performing any maintenance. Step 2: Remove any debris from the heater and surrounding area using a soft brush or vacuum. Step 3: Inspect the heat exchanger for any signs of corrosion or buildup.

With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. It is being practiced by thousands of pool owners just like you. We are a registered 501(c)3 non-profit that is funded by user …

The 150,000 btu/hr heater requires a minimum of 20 gpm. You can try to adjust the pressure switch as described in the manual. In my opinion, a flow switch will be the best solution. The Hayward aquarite flow switch turns on at 15 gpm and off at 12 gpm. It would work but I think that the flow is too low.Replaced Hayward 400 with new H400FD pool heater. I'm getting a LO alarm before reaching 104 degrees. And a HS - Answered by a verified Pool and Spa Expert ... Replaced Hayward 400 with new H400FD pool heater. I'm getting a LO alarm before reaching 104 degrees. And a HS alarm. Local techs can't find the problem. Contractor's Assistant: ...Available in 150,000, 200,000, 250, 000, and 400,000 BTUs, the Universal H-Series heater can raise the temperature of an 800-gallon pool 30 degrees in less than an hour—you’ll feel the benefits the moment you step into the water. The Hayward Universal H-Series Low NOx can be added to inground pool kits sold by Pool Warehouse!The flow in a particular pool is affected by a number of factors, many of which you can't easily change like the size of your pipe, number of 90deg connections, etc. Heaters require 40gpm to operate.The LO code on a Hayward heater means Limit Open, where one of the limit switches is not closing to complete the circuit. To clear the LO code, fix or replace the wiring on the limit switches and any other issues with your heater’s limit switch, and you may need to do a backwash to clear out any obstructions.This quick video is a great resource for basic understanding of your Hayward gas heater.The SF code on your Hayward heater's display stands for "Stack Flue Sensor Failure.". This code indicates that there's a problem with the sensor responsible for monitoring the flue gases in your heater. Flue gases are the byproducts of combustion, and monitoring them is crucial for safety reasons. Common Causes of SF Code.

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The possible causes behind this error message are- a dirty pool filter, water pressure switch fault, vent pressure switch fault, temperature limit switch fault, and exhaust gas temperature limit fault. Read our guide on how to fix the LO code on the Hayward heater to get your heater running ASAP. Hayward Universal H-Series H350 Low NOx Pool Heater, 350,000 BTU, Natural Gas - EXPERT LINE NLA ... H350FDN. SKU. 4075. Product Overview. Hayward H-series Pool Heater ... Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. ... Phase Heaters: 1.0000: Platform: Square: Pool Type: In Ground: Product Dimensions: 37 " x 30.5 " x 33.6 "Product Height: 37 in: Product Length: 33.6 in: Product Weight: 245 lb:Aug 17, 2022 · Checking the Pool Heater Circuit Breaker. First, turn off the power to the pool heater circuit breaker. This should immediately shut down the pool heater. If the circuit breaker does not shut off, you should call a professional service technician to come out and inspect the problem. Next, check the fuse box located near the pool pump. Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. ... Determine your pool heating requirements and heater size for your pool. Learn More. NEWSPLASH. Be the first to know. Email [email protected] to get notified. Learn More. CONTACT US. Telephone: +1 (480 ...Other issues include high chlorine levels, high TDS and High SALT and high calcium. These conditions can also play havoc with heaters. Swimming pools that fail to follow basic water care will have problems with clogged and leaking heaters. Good water chemistry is essential to heater longevity. Questions call: Rich at 609-313-0300.Propane heaters can make cold winter nights a lot more bearable. Here's a list of some of the best indoor and outdoor propane heaters to keep you warm this winter season. If you bu...Hayward IDXL2PSA1930 Pressure Switch: This OEM replacement switch is designed to fit perfectly with Hayward pool heaters and has a high accuracy pressure sensing mechanism. Bousnic Pool Heat Pump Pressure Switch : This universal pressure switch is compatible with most pool heaters and has a high-quality build to withstand …Some of the most reviewed products in HAYWARD Pool Heaters are the HAYWARD Universal H-Series Propane Gas 150,000 BTU Low NOx Pool Heater with 5 reviews, and the HAYWARD Universal H-Series Natural Gas 400,000 BTU Low NOx Pool Heater with 4 reviews. Related Searches. hayward pool heater.Turn off the electricity and gas going to the pool heater. Open the faceplate of the heater, then locate the pronged ignitor. Remove the retaining bracket and screws, then disconnect the ignitor from the motherboard’s wires. Contact the manufacturer for a like-for-like ignitor part number, then attach it to the motherboard’s wires.The control panel will stop working if a breaker has been tripped due to power overload. First, check whether the breaker is on or off. Just checking may not be enough. To reset the breaker, turn it OFF first and then turn it ON again. Next check whether your pool heater is working or not. Improper Installation. ….

I cannot get the pilot light to ignite on my h400fdp hayward pool heater ... I'm ***** ***** and my pool heater is throwing the LO code. The pump is running and the heater worked for a couple hours then switched to LO. I stop/resume on the pump control panel and it starting "p ...Fixing a Hayward Heater LO Code: Step-by-Step… Solve Hayward Pool Heater BO Code: Easy… Sta-Rite Pool Heater Troubleshooting: Quick Fixes… Pentair MasterTemp 400: Fix a Flashing Heating Light… Pentair MasterTemp 400: Fixing Ignition Lockout Issues; Decode Richmond Water Heater Blinking Light Codes:…Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp; Weight 4.8 poundsMay 25, 2022 · You need to put the heater in STANDBY Mode to get the bO code on the heater display. Press the mode button once to get the heater in STANDBY Mode. First, press and hold on to the Down key. Then, press and hold down the MODE key as well. You need to keep holding both keys for about three seconds. At this point, the “bO” message should appear ... LO on a Hayward Heater#VSP#2speedpump#backwashfilter#cleanfilter#aqualogicA Hayward pool heater is a valuable investment that can extend your swimming season and enhance your pool's comfort. While encountering the Hayward Heater AO code can be frustrating, it's not an insurmountable problem. By understanding the potential causes and following the troubleshooting steps outlined in this blog post, you can often ...For each problem that brings about the Hayward pool heater LO code, there are many possible solutions as shall be explained in the sections below. The Hayward heater LO code indicates a fault in the temperature limit switch, vent pressure switch, or water pressure switch. To fix it, ensure the pump is on, is wired and connected well, the water ... All HAYWARD Pool Heaters can be shipped to you at home. What are some of the most reviewed products in HAYWARD Pool Heaters? Some of the most reviewed products in HAYWARD Pool Heaters are the HAYWARD Universal H-Series Propane Gas 150,000 BTU Low NOx Pool Heater with 5 reviews, and the HAYWARD Universal H-Series Natural Gas 400,000 BTU Low NOx ... Lo on hayward pool heater, FAQ: What are the Hayward pool heater lockout settings? The maximum lockout settings for the pool mode are 90ºF and 104ºF for the Spa mode by default., Adjust the water flow or call a professional if the pressure is too low. Clean the Filter: A dirty or clogged filter can cause Hayward Heater CE Code errors. Clean the filter thoroughly and replace it if necessary. This will improve the heater’s efficiency and prevent future issues. Inspect the Ignition System: If the above steps do not ..., #1. I have Hayward H150FDN Universal H-Series, Low NOx, 150,000 BTU, Natural Gas, Pool and Spa Heater and I am getting a LO code with is a flow problem. I have my …, My pool heater quit working. It would try to start, but then fail. The error code "IF" was displayed. It was an "Ignition Failure Lockout". I looked at a..., Hayward Pool Heater IF Code What Does IF Code Mean? The Hayward Pool Heater IF code indicates an ignition failure. This means that the heater was unable to ignite the gas properly, preventing it from operating as intended. IF Code Quick Troubleshooting Steps. Refers to an ignition failure. Check gas supply and ensure valves are open., Hayward W3H400FDP Universal H-Series, Low NOx, 400,000 BTU, Propane Gas, Pool and Spa Heater delivering durability, reliability, and energy efficiency. FREE Standard Shipping On Orders $100 Or More! My Account, Pentair 42002-0024S Pool Heater Pressure Switch: This pressure switch is specifically designed for Pentair pool heaters, but can also be used in other pool heaters that require a 2 PSI switch. Len Gordon 800120-1 Pressure Switch : This pressure switch is a direct replacement for Len Gordon pressure switches and is compatible with most pool heaters., How to connect to Wi-Fi network. To connect to a 2.4 GHz Band Wi-Fi network, perform the following at the Omni controller: 1. Use the right arrow to find the "config" icon, then press it. 2. Press "network". 3. Press "setup wifi". 4., Was: $1,551.99. Quantity: Select all. Add selected to cart. Description. 0 Reviews. Hayward Universal H-Series Induced Draft Pool Heater 150K BTU Natural Gas W3H150FDN (also known as H150FDN) is energy-efficient. The low NOx emission makes it a perfect choice for the environmentally concerned pool owner. Enjoy a warmer pool this season without ..., Our network of certified personnel can help you build your pool, recommend a product, repair a faulty product, and test your water. Find a professional near you. Hayward offers environmentally responsible, cutting-edge pool and spa equipment for residential and commercial, in-ground and above-ground pools., Hayward IDXL2PSA1930 Pressure Switch: This OEM replacement switch is designed to fit perfectly with Hayward pool heaters and has a high accuracy pressure sensing mechanism. Bousnic Pool Heat Pump Pressure Switch : This universal pressure switch is compatible with most pool heaters and has a high-quality build to withstand …, Solution: In this case, you need to clean the dirty filter to solve it. If still it is not solved, then clean the pressure switch. 3. The Ignitor Issue. Sometimes, the Hayward pool heater ignites and runs for about 15 seconds and turns off, then it reignites and does the same thing again. Also, sometimes the flame lights, and then 1-2 seconds ..., Offers heating that is energy efficient and environment friendly. Please review the For Your Swimming Pool brochure. Patented bypass design ensures better hydraulic performance. View More Details. BTU Rating: 399900. 199900. 200000. 399900. Pickup at South Loop., Hayward W3H400FDP Universal H-Series, Low NOx, 400,000 BTU, Propane Gas, Pool and Spa Heater delivering durability, reliability, and energy efficiency. FREE Standard Shipping On Orders $100 Or More! My Account, Swimming Pool Heater Hayward H250FD Owner's Manual. Pool and spa/hot tub heaters (16 pages) Heater Hayward H250FDN Service & Installation Manual ... may relate to water flow. Verify the pump is running & adequate water is flowing through heater. "LO" is NORMAL when the pump is turned off. Inspect water pressure switch Continuity test Step ..., Aug 3, 2014 ... Audio turned out weird, so you may have to turn the volume up! How to diagnose and repair your Hayward H Series (H250) Gas pool heater., Page 24: Hayward ® Heat Pump Pool Heater Limited Warranty ® Limited Warranty The HAYWARD heat pump pool heater is warranted to be free of defects in materials and workmanship for a period of two (2) years for parts and (1) one year for labor. In the state of Florida, warranty labor is covered for (2) years. Page 25: International Warranty, Hayward W3H300FDN Universal H-Series Low NOx 300,000 BTU Natural Gas Residential Pool and Spa Heater with Bundle* Warranty Better Buy Pool Supply will provide you with the Full 2 Year Manufacturer's Warranty plus 1 Year Installation Warranty upon installation by our professionals. From the Manufacturer The Universal H-Series is an energy efficient, high performance, installation […], Turn off the electricity and gas going to the pool heater. Open the faceplate of the heater, then locate the pronged ignitor. Remove the retaining bracket and screws, then disconnect the ignitor from the motherboard’s wires. Contact the manufacturer for a like-for-like ignitor part number, then attach it to the motherboard’s wires., GAS HEATERS: Universal H-series ASME Heater: 3 Years: CHLORINE GENERATOR & UVO3 SYSTEMS: Saline C ® 6.0 & 11.0 Salt Chlorine Generators: 2 Years* None: 2 Years* None: 2 Years** 2 Years* *Salt cells carry an 18 month parts warranty. * No field labor, factory repair labor only. **Salt cells carry a 1 year full warranty & a prorated warranty for ..., What Causes the Hayward Heater LO Code? 1. There Is A Fault With The Water Pressure Switch. How to diagnose if the water pressure switch has a fault. LO CODE FIXES. Step …, For Hayward Fdxlicb1930 Fd Integrated Control Board Replacement Kit Fits for Select Hayward H-series Pool Heater Models H250fdn, H250fdp，Also Fits for Hayward Universal H-series Low Nox Pool Heater. 4.8 out of 5 stars 19. $264.20 $ 264. 20. $5.67 delivery Fri, Apr 12 ., If you own a Hayward pool heater, you might have encountered the dreaded LO code on the display. This code can be perplexing, but fear not – in this blog post, we’ll dive deep …, FibroPool Swimming Pool Heat Pump - FH255 55,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane Needed 4.1 out of 5 stars 73 1 offer from $2,199.99, Hayward H-series Lo NOX Heater Header O-ring HAXHOR1930. Be the first to write a review. Liberty Pool Products(2945) 99.9% positive feedback; Price: $17.95 ... item 1 HAXHOR1930 Header O-Ring For H-Series ED1 & ED2 Pool Heaters Fits Hayward + LUBE HAXHOR1930 Header O-Ring For H-Series ED1 & ED2 Pool Heaters Fits Hayward + LUBE. $17.95, My Hayward H100ID stopped heating the swimming pool water. I spent 3 afternoons and evenings of my free time pulling my hair out trying to figure out the pr..., The hayward pool heater h5 code can be caused by various issues, including low water flow, high limit switches, or a faulty pressure switch. To identify the causes, check the water flow, inspect the switches, and consult the heater's manual for troubleshooting steps., Sep 1, 2011. #7. Yes, that's correct. It allows you to set two different temperature settings for systems that switch between a spa and a pool. For those systems, there should also be another connection or component (such as a flow switch or In-house electronic control system) that tells the heat pump which mode to go to., What does Lo mean on a Hayward pool heater, one might wonder? The limit string is open when you type LO. The pressure switch is most likely to be the culprit. If LO appears while the pump is on, it's most likely due to a water flow issue. 90% of the time, this is a filthy filter. When the pump is turned off, LO on the heater is normal., FibroPool Swimming Pool Heat Pump - FH255 55,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane Needed 4.1 out of 5 stars 73 1 offer from $2,199.99, HeatPro Series Heat Pump. Hayward. SKU: HP21405T. Our new HeatPro Series of Heat Pumps utilize industry-first microchannel technology to get your pool water to the perfect temperature. Add to Compare. Add to Export. Overview. Specifications., Hayward W3H135FDN H-Series 135K BTU Natural Gas Above Ground Pool and Spa Heater. Hayward H-Series heater for above ground pools and spas combines reliable technology with ease of operation and superior performance. H-Series heaters boast industry-leading hydraulic performance coupled with a 135,000 BTU rating for faster speed-to-heat capability., LO Code Pages 40-43 IF Code Pages 44-46 AC Code Page 47 AO Code Page 48-50 ... Heater must then be in Spa or Pool Mode for operation. The heater will ... Hayward Part # FDXLFSKF30 (Qty. 10) Step 1: Page 14 Verify incoming voltage to heater is present (110-125 or 220-245 VAC), if