Question about Raypak Rp2100 Pool & Spa Heater Lonox 407k Btu Natural Gas Polymer Header Digital Rp407aenc

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Heater fires but does not produce heat

Have replaced electronic ignitor but still not operating correctly, when heater is on, there is an odor of gas and noxious fumes emanating from fire box, have checked gas supply line and there is adequate pressure, no codes come on display, what could be the problem?

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Wow - sounds like the gas valve is opening without the electronic ignition not kicking in. Here is a link to the Mfg site so you can download the trouble shooting guide.

Posted on Feb 26, 2009

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Since we had the RP2100 installed two years ago, we have had problems getting the unit to light. I went through the manual and did the procedure for lighting, but nothing happens and there is no clicking...

Were the ignitor and the board replaced because of this problem and its still happening? If so, it is probable an incorrect gas supply. If you know the gas supply is adequate, then power is not getting to the ignitor or power is not being distributed from the board. As you stated they are new, it gets alittle more indepth. If there is an incorect gas supply or if the refractory kit is flaking (finding white stuff on the burner tray) then you are probably getting an incorrect burn which will melt through the ignitor wires over and over againm until either venting or gas supply is fixed. If you have a flex line as your gas supply that could be the issue. If the venting is not correct this could also cause this.

Oct 15, 2010 | Raypak Rp2100 Pool & Spa Heater Lonox 407k...

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My pool heater suddenly stopped working. It sparks, it calls for heat but then I get a ILO ignition lock out reading. Can this be fixed? please advise. Thanks

Propane...Make sure you have 30% in the tank (and the valve is open on the correct tank). Natural gas...You may have carbon/debris on the ignitor.

Sep 26, 2010 | Raypak Rp2100 Pool & Spa Heater Lonox 407k...

1 Answer

Raypak rp 1200 - pilot is on, unit will not fire. 10-12 ohms in safety loop. 340 ma from generator with loop connected. 440ma with loop disconnected. Do I need to clean the generator/pilot orfice? If...

If this is a MV heater you need 500MV to run the heater. 200 to start the pilot and 300 to open the main valve. If your dropping 100MV on the safty circut you will need 600 or better to fire the heater. I would clean all the connections on the safty circut. I will usually change the whole pilot assembly, but you can get away with just the pilot generator.
It's hard to say how to remove the pilot as their are a couple of different ones and the heater you have listed has none, but a hot surface ignitor instead. Also it runs on 110 or 220v stepted down to 24v for most of the safty circut.

Sep 04, 2010 | Raypak Rp2100 Pool & Spa Heater Lonox 407k...

1 Answer

We haven't used the heater for about a month. When I tried to fire it up tonight I got a message on the panel that indicated that it needed service to clean a filter. Then it attempted to light, but even...

This tells me that the pressure switch is not activating. It either means that the pump is not moving enough water through the heater, or the due to the heater sitting without use, the pressure switch is clogged or failed. Easy part to switch , cheap to buy. E-mail me if you need help.

Aug 26, 2010 | Raypak Rp2100 Pool & Spa Heater Lonox 407k...

1 Answer

All my heater does is click. I can't smell any

Could be a bad ignitor or if it is a new heater the gas supply could be undersized. ether way for almost all heater repairs you should get a qulifyed repairman. It is a box full of fire next to your house.

Sep 30, 2009 | Raypak Rp2100 Pool & Spa Heater Lonox 407k...

1 Answer

I had an issue with my gas, and it was shut off over the winter. The gas company came back in the spring to repair the gas valves. Now that I've opened the pool, the heater doesn't appear to be...

If the line is very far from the meter and the gas repair person didn't bleed the line to your heater I would suspect you have air in the line that needs bled off where the gas can reach the pilot. It sounds like the auto lighter is responding correctly but times out and shuts down until its siginaled to try again. They usually are more than helpful in making sure all pilot lights are lite in a situation as this. I would think a phone call to them might be the solution. That or bleed it yourself if your comfortable doing so. The line closest to the manifold needs cracked open slightly until you smell gas then tighten it. Allow five minuites for fumes to vent then turn heater on. Just be careful that there is nothing close by that could ignite the gas. You may wan't to check local codes to make sure you are allowed to carry out this operation or if you have to hire a liscensed plummer.

Jun 20, 2009 | Raypak Rp2100 Pool & Spa Heater Lonox 407k...

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