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My heater will do this if I forget to switch the pump to High. My old heater did the same thing. running mine on the high (2 speed pump) eliminates this. Dan

I have never had water get behind the liner. Being an above ground pool I don't suspect there is any way it could. I do have to pump off a lot of water in the spring. This is dependent of course on how much snow/rain we get over the winter months. I did add a leaf net to my arsenal. I keep it...

Nope, I use the standard size for my pool

3-5 seconds is the free run time a gas valve gets prior to flame sensing. Pull and clean the flame sensor with fine steel wool or use a dollar bill folded and rubbed on the sensor to polish it.

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Yep. looks like time to solder wire jumpers in place. Dan

Gas valves are not recommended to be disassembled. If this is a new unit the first thing I would check for is to make sure that all of the safety switches are being satisficed. There is a pressure switch that monitors water pressure in the system. Too low of water pressure and the unit will not...

Per the NEC, the only connection point that the Neutral and Ground can be bonded together is at the first disconnect point in the service. After that, all panels, outlets and connections have to be separate with the neutral not bonded ( floating). This is why sub panels will have 4 wire cables...

It has been a while since I had mine apart, but that fitting should be a regular PVC pipe threaded part from what I can remember. I am sure the Hayward part is about $50 but you should be able to source it from any hardware store that sells PVC parts. I would cut perpendicular to the threads...

I would run a sub panel. Some inspectors see the pool as a separate structure and some don't. A separate structure can only have one circuit running to it( 2 hot, 1 neutral , ground) This sometimes can work but having two hots on one neutral does not allow for GFCI breakers to work properly. A...

I can't speak for the OP but, when I built mine, I looked at some of the decks that friends had that were under the rail and did not like what I saw in some of them. Mostly the problem I saw was how bad the top rail looked after a couple of years of people standing and stepping on them. One...

This is how I did mine. The overhang is about 1" above the rails. The deck itself is also only sitting on the framing rails. I intended to bolt it to the rails, but never got there. If I need to, I can slide the deck back away from the pool to do a liner change. A while back I did the same deck...

The steam should not have an effect on the switch. The same switches are used in condensing furnaces all the time with no problems. Excessive water buildup can cause the problems you are experiencing though if the exchanger is designed such that the vacuum pulled thru it can be interfered with...

Some advice on the inducer motors. Most all manufacturers that use these use a standard supplied component from companies such as Nutone. When the inducer went bad on my hayward it was still available from them, but, it was $450. I work part time in the HVAC industry so I was able to recognize...

Here is how I do mine. 2 ropes with one tied around the barrel. Done this way for the last 12 years.

If you are in NE ohio then you know what snow weight is. I doubt you can build a strong enough structure out of PVC to support that weight.

I use a plastic 55 gallon barrel I sourced from a local hardware store that caries them. going on 10 years with it now.

That looks to be in real good shape. There should be a port that the vacuum hose hooks to that could be clogged as well. If you still cant get a good vacuum signal to the pressure switch make sure the connections for the small hose are tight and don't leak. It is possible that the motor is not...

You most likely have a spark ignition system. This system also utilizes the igniter as the flame sense circuit. Pull the igniter from the unit and use steel wool to clean it. Reinstall it making sure the mounting area is corrosion free...flame sensors need a good ground. The delay at startup is...

You have discovered the biggest scam in the pool industry. Almost all components installed in the heaters...control valves, fans, blowers, etc are standard heating system parts. I too had the same ordeal a few years ago. I needed a new blower for my heater. Hayward wanted over $500 for the part...

If you remove the top of the unit you should be able to get to the fan assembly. It usually only has a couple screws mounting it. Pull the fan assembly and check the fan itself. I am willing to bet they are rusted off. Dan

This is a Digital Cycling Unit. It was installed as, Jim said, to control loads on the local utility in times of high demand. These were used mostly on Air conditioners. Here is an excerpt from the manual for the unit. What is a DCU? A Digital Cycling Unit (DCU) is a device installed at the...

Replacing the flame sensor, while it looked like it was needed, will not solve the "not lighting" problem. The flame sensor does not come into play until after the burners have lit. Once the burners light, the control board allows the unit to "run free" for about 5-10 seconds to establish a good...

I know the charts don't support this and I did it more as a test than anything... I have a 100,000 BTU hayward running on 50' of 1/2" od line. teed off of a 1/2" black pipe line feeding my grill. I have clocked the heater at the full !00,000 BTU several times. Not sure of my line pressure but, I...

You can test the "leak" water with a test kit and see if it is pool water. It should match the test readings from the pool. I am suspecting that it is condensation from cold water running thru the heater and drawing the exhaust temp down too far. Once natural gas exhaust temp goes below 150 deg...

Is he willing to accept the liability if someone gets hurt? Is the breaker tripping due to an overload or is it tripping the GFCI protection circuit (reset button)? He needs to determine why the breaker is getting hot. There is nothing in a GFCI circuit board that would cause the breaker to get...

I would start by checking voltage at the motor connections when it stops spinning. It may be something bad in the motor that opens the circuit when it gets hot. A 30 amp breaker is not advisable due to the fact that your wiring is sized for the 20 amp breaker you have installed. What do you...

You can try to jumper the TH/TP terminal on the gas valve to the TH terminal to bypass the safety switches. This will tell you if the problem is in one of the safety switches or not. If the unit fires then the problem is in that circuit and you will have to use a volt/ohm meter to determine...

OK, same problem with them though. finger oil is bad and can cause hot spots. I have not seen may failures in that style though. And, Yes, they should be a universal type and readily available. Not sure if this is one that will work or not. Universal Furnace Igniter replaces Most Flat...

Is the igniter one of the ceramic "W"/"M" shaped hot surface igniter? I suspect it is. If the installer touched the ceramic with his fingers, the oil from that can cause the igniter to burn out. It is possible that you may have also won the lottery as I have had brand new ones fail within a few...