Question about Ruud C-R406A-EN-X Raypak Gas Pool Heater 406k BTU electronic, natural, ASME

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Rakpak heater will not light

I hear gas value open and I hear spark. I checked for gas by removing botom cap from gas supply line open value (in gas supply line) and hear gas coming out.

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Display says "CFH" but heatert wont fire up. Just makes a clicking sound


You don't have gas supplied to the heater. It sounds like you have a gas powered unit and the clicking you're hearing is the sparker sparking.

Jun 07, 2015 | Pool & Spa

2 Answers

My hayward swimpro abg100 powers on but nothing happens. I can hear a buzz coming from it but it does not ignite or anything. What can I do?


Warranty status? Probably gas control valve and its connections to the "buzz" ignitor system. Gas is not a DIY thing!

Jun 07, 2015 | Hayward Pool & Spa

1 Answer

Gas is on can hear ignition. Doesn't light. May not have gas to heater. Air in line?


Check also to see if the valve on the gas valve itself is in the "ON" position. Is it on or off?
If it is on, then you may in fact have air in the gas line that needs to be purged.
BE CAREFUL WHEN PERFORMING THESE STEPS!! ESPECIALLY IF PROPANE GAS - LPG!!!!!!
Have a large piece of cardboard or the front cover/door of your heater will suffice.
If solid pipe to heater, then there is a union, if you have flexible gas line to heater then you have a flare nut.
With NO flames or sparks even close - NO SMOKING !!!Carefully & slowly loosen either the union or the flare nut with gas valve open. You will hear hissing sound. Leave open for about 30 seconds, until you smell the gas. Carefully & slowly tighten either the union or the flare. Take the cardboard or door, and fan towards the heater to push away and fan away any gas fumes. Do this for about a minute or so. Very Important you do this, again especially if Propane. Propane is a very heavy gas & it will linger in a "Puddle", unseen puddle near the heater. If you did not fan away these fumes, when the heater starts to ignite - .... not so pretty.
Anyway, if you had air in line, heater should fire. If it didn't try above steps one more time. If it still does not fire, possible bad gas valve.

Dec 16, 2012 | Teledyne Laars Laars Lite 2 Pool Heater...

1 Answer

Heater wont light,seems like all the safety switches have been met,has spark but dosen't seem to be getting propane


About when the sparking starts you should hear a louder snap that should open the gas valve. If you hear this and if there is gas pressure the spark gap is in the correct location it will light (you should also smell gas). On the other hand if any of these things aren't right it won't light. There is a plug on the incoming side of the valve that can be loosened to tell if there is gas available. If you leak enough gas to purge the gas line then that will eliminate a possible air problem. Make sure there is no source of ignition anywhere near during the purging process. Once the plug is closed tightly and you have waited 5 minutes you can try again. If you can't hear the valve come on then you can use a volt/ohm meter to measure the voltage going to the coil of the gas valve. When the ignitor is sparking there should be 115 VAC between these two wires. If you have further questions I should be able to answer them.

Aug 31, 2011 | Hayward 100k Btu Propane Gas Pool Heater...

1 Answer

7-25-11. Purchased Reliance 909 model 950 GKRT 200 natural gas hot water heater. 7-31-11, installed said hot water heater according to instructions and code, filled with cold water and checked for gas and...


The problem requires looking at manual and service handbook, except handbook doesn't show most recent water heater.
My first check point would be gas supply, and then vent draft, and then air supply.
Take off front cover and try lighting again to make sure air supply is not problem.
Review lighting instructions.
If there is no gas, and gas is turned ON, then gas control valve is suspect.

On-line manual for Reliance 909 gas
http://www.reliancewaterheaters.com/lit/om/manuals/186486-002.pdf
Reliance 2006 service handbook:
http://waterheatertimer.org/pdf/Reliance-2006-Service-Handbook.pdf

Other resources:
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot
http://waterheatertimer.org/images/Test-water-heater-vent-1400.jpg
http://waterheatertimer.org/images/Water-heater-in-attic-800.jpg

Jul 31, 2011 | Reliance Natural Gas Water Heater Control

1 Answer

Will not start


THE BLOWERVAC COULD HAVE GAS PROBLEM OR A NO SPARK TO SPARK PLUG PROBLEM. TO DETERMINE THE SPARK PROBLEM FIRST, REMOVE THE SPARK PLUG, LOOK AT THE END OF THE SPARK PLUG (ENGINE END) TO SEE IF IT IS DRY OR WET WITH GAS, THEN RE-ATTACH THE SPARK WIRE WHILE THE SPARK PLUG IS LAYING LOOSE AND PULL THE ROPE TO TURN THE ENGINE AND LOOK TO SEE IF THERE IS SPARK OCCURING AT THE SPARK PLUG. IF THERE IS SPARK PRESENT, YOU HAVE NO PROBLEM WITH SPARK. REPLACE THE PLUG AND WIRE. IF NO SPARK CHECK YOUR WIRE LEADING TO THE SPARK PLUG TO MAKE SURE IT HAS AN ELECTRICAL CONNECTION AT BOTH ENDS, SPARK PLUG END AND ENGINE END. IF LOOSE FIX THE CONNECTION THEN RE-TRY THE SPARK/ENGINE TURN OVER BY ROPE METHOD AGAIN TO SEE THEN IF YOU HAVE SPARK. IF THEN YOU DO HAVE SPARK, RE-ATTACH SPARK PLUG TO THE ENGINE AND RE-ATTACH SPARK PLUG WIRE TO THE SPARK PLUG AND TRY THEN TO START THE ENGINE.
IF THERE WAS A WET PLUG WHEN YOU FIRST REMOVED THE SPARK PLUG AND YOU NOW HAVE SPARK AT THE SPARK PLUG, YOUR ENGINE SHOULD START.
IF IT STILL WILL NOT START AFTER THE SPARK CHECK, I WOULD REPLACE THE SPARK PLUG WITH A NEW ONE.
IF THEN IT WILL NOT START, THEN REMOVE THE SPARK PLUG AGAIN AND POUR A SMALL AMOUNT OF GAS INTO THE ENGINE SPARK PLUG HOLE. A PINT PLASTIC OIL CAP FULL OF GAS IS ENOUGH, DO NOT OVER USE MORE THEN THAT.
THE RE-ATTACH YOUR SPARK PLUG AND SPARK PLUG WIRE AND TRY STARTING THE ENGINE AGAIN. IT MAY TAKE SEVERAL PULLS TO GET THE EXTRA GAS IN THE SPARK HOLE TO BE USED UP BEFORE YOU START TO HEAR IT RUN ALITTLE AND FIRE NOW AND THEN.
IT SHOULD START THEN.
IF THEN IT DOES NOT START, YU HAVE USED UP THE GAS YOU PUT INTO THE ENGINE BY THE CAP FULL METHOD AND IT IS NOT GETTING GAS BY THE GAS TANK SUPPLY.
THIS MEANS THEN YOU HAVE AN IN LINE GAS LINE FILTER THAT IS PLUGGED UP OR YOUR GAS MAY BE OLD IN THE GAS TANK. IF GAS IS NOT OLD AND FILTER IS NOT PLUGGED, THEN YOU NEED TO REMOVE THE GAS LINE LEADING TO THE ENGINE CARBURATOR TO SEE IF IT WILL FLOW FROM THE GAS TANK OUT THE GAS LINE SUPPLY HOSE. IF IT DOES FLOW FREELY, THEN YOU DO NOT HAVE A GAS SUPPLY PROBLEM,
AS LONG AS YOUR GAS IS NOT OLD GAS. OLD GAS WILL GO BAD IN TIME. I'D REPLACE THE GAS WITH NEW AND TRY AGAIN.
IF THIS DOES NOT WORK, THEN ITS CARBURATION CLEAN UP TIME.
IT WILL NEED TO BE REMOVED FROM THE ENGINE BY A FEW BOLTS, HOSE'S REMOVED AND TAKEN APART AND CLEANED. TARNISH FROM GAS AND OIL WILL BLOCK THE CARBURATOR JETS AND VACCUM PUMP FROM WORKING PROPERLY. CLEAN AND REPLACE, TRY AGAIN TO START ENGINE.
MORE GAS IN SPARK PLUG HOLE TO GET GOING MAY BE ANOTHER ATEMPT AFTER CARBURATOR CLEAN UP.

Feb 20, 2011 | Homelite Mighty Lite Blowervac

1 Answer

Heater will not light. When the T-Stat calls for heat the vent fan starts and runs for 40sec, then the igniter starts (I can see it sparking in the manifold), next the gas valve clicks. All this seems...


Are you sure that your gas supply is strong enough, and that being said is there an in line regulator on your installation? You need gas pressure along with volume to burn properly. The itself sounds fine it is going thru all of its system checks then shutting down. You need someone with a set of gauges and check gas line pressure then check past the regulator and again check the pressures. It could be as simple as opening the regulator up slightly or as costly as replacing the line with a bigger one to support the heater. Make sure that you have purged the line good, and I would do this at the dirt leg in the supply or as close to the heater as possible.

Dec 27, 2010 | Mr. Heater MHU45NG

1 Answer

Can't get the pilot light to start


Is this the newer style with closed combustion chamber. If so I would check to make sure that spark ignitor is working. If not it will need replaced. If ignitor is workingthen loosen compression nut on line to pilot and temporarily depress button on gas valve to make sure you have gas at that point.If you have gas there and tighten compression nut to pilot back up and it still won't light then you will need to remove screws that hold cover on burner compartment.Shut off valve to gas supply and remove gas line from gas valve remove pilot and thermocouple lines. Slide burner out ofcompartment and clean it .Remove nut from bottom of pilot assembly and clean out pilot orifice. Blow through pilot line to make sure it's all clear
Reassemble everthing using teflon tape or pipe joint compound as needed.Turn gas supply valve on and check for leaks.Set gas valve control to pilot and depress pilot button and hold. While you are holding button done push spark ignitor every few seconds until it lights. thank you and good luck

Dec 22, 2010 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

-Pilot Won't Light- My Lite2 LG is 2 years old, but never used. I just hooked up the gas with 3/4" pipe and pressure/flow is good (I don't have a manometer tho). The pilot flame won't light (igniter is...


Open up the union in the gas line and bleed all the air out. Once done the pilot should light in a short amount of time. If it still will not light, remove the pilot and inspect it for spider nests in the head or regulating cap.

John

Sep 21, 2010 | Jandy Laars Lite2 Ld 400,000 Btu Heater

1 Answer

Haven't run heater for 6mons. Hooked up new tank of LP gas, turned on supply valve, waited 5mins. for line to purge. I could still smell strong gas odor and hear it rushing through the supply line, so I...


HI pilot line open letting full gas through , make up soap and water to make bubbles and brush it around all the joints get someone to turn on tank slowly and you and chek for leaks if it bubbles up if in any not sure get a gas fitter too check it out

Feb 20, 2010 | Desa International RFP30TA 30.000 LP Gas...

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