Need help quick with heater

[mshumack]

You said you have a Minimax heater. I also have a Minimax (propane) heater. There is no incoming power on this type of heater. The way it works (at least my Jandy/Laars unit) is the gas pilot stays lit all the time. The pilot heats up a device that creates the small voltage which is needed to allow the gas valve to open. If the pilot light ever goes out or the voltage generator doesn't work the large gas valve will never open and no heat. In addition to the voltage generator safety device you need continuity through the water pressure switch, a fusible link, high temp cutout switch, the on/off switch, and the adjustable thermostat. If you have the type heater I am describing you can test the entire circuit with a Volt-Ohm meter.
Can you provide the specific make and model of the heater?

[Brock]

Sure, it is the Purex/Triton MiniMax Plus 200,000 milivolt high efficiency electronic start. When heat is called for you can hear a rapid clicking, it makes a spark to ignite the gas. I would take a pic for you but my wife has the camera. I know they made all sort of models, some powered vent, some draft vent, some electronic ignition, some standing pilot lights, some with power and some without. Although I am not sure this really helps figure out this problem.

[viking1]

I have the Purex/Triton MiniMax 200,000. The power enters on the left middle and crosses over to the far upper right side. My controls are in the middle top.

Thanks. I'm going to start by checking for a breaker, then I'll change the transformer. The transformer is 40.00 vs 400 for the board.

[Brock]

If you can check the output of the transformer first. I would bet somewhere there is a fuse on the input and even likely the output side of the transformer.

[viking1]

If you can check the output of the transformer first. I would bet somewhere there is a fuse on the input and even likely the output side of the transformer.

Will do. Thanks for the advise.

[matt4x4]

What I can tell you about heaters is that if the fan is ceased, NOTHING will work except the pilot light. Check the exhaust fan to see if it's ceased or stuck (if you have a fan assisted unit).