The pilot will not stay lit in our Cozy Direct Vent Wall Furnace CDV335B. Problem occurs with winds. Last heating season, replaced powerpile, thermostat, ignitor, gas valve, and pilot burner. Any suggestions?
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The flame sensor is not producing enough volts to hold the gas valve open for the pilot light. Make sure the SIDE of the pilot flame is touching the sensor. If it in engulfed by the flame it won't work right.
Pretty much the only thing that will do that is the thermocouple not generating enough voltage for the valve to say it's OK.
Usually you need to hold the button for pilot lighting for 60 seconds. You can use a meter to check that it's generating enough power. The thermocouple has to be in the pilot flame properly.
NEED MORE INFORMATION. IS THERE A LED LIGHT THAT FLASHES A CODE?. IS THE THERMOSTAT OPERATING PROPERLY? IS THIS UNITS FLUE EXHAUST VENTED TO THE OUTSIDE? & IS IT FREE OF OBSTRUCTIONS?,
Attempting to do what you propose, would be dangerous. Instead, replace it with one that's designed for high wind areas. You can find it at most Cozy dealers or they can order it for you.
If it's any consolation , you're not the only direct vent heater owner, that has had this problem. It's a very common problem. One that has been said to be "The nature of the beast."
how by extending the duct work will it make the gas valve work ?
if the pilotkeeps going out clean pilot jet , or if the power unit has gone in the gas valve then you would have to change the valve , don't get the flue bit ?
Sounds like a limit switch is tripping. This appliance is equipped with a manual reset blocked flue switch designed to protect against a blocked flue condition, which would cause combustion products to spill back into the living quarters. NOTE: A partially blocked, inadequate, or disconnected vent system may not activate the switch. Discoloration of the grille is an indication of a bad vent. If this occurs, the vent can be checked by a qualified serviceman using a draft gauge. After 15 minutes the gauge should read between -.02 up to -.04 inches w.c. Vent must be checked at the beginning of each heating season.
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