6.
Heater bl owing cold air with pilot
* Defective solenoid valve.
* Replace solenoid valve.
light burning.
(Models 326 and 330)
* Main burner valve not open
* Open main burner valve
7.
Main burner does not shut
* Defective solenoid valve.
* Replace solenoid valve.
off when thermostat is
satisfied. (Models 326
* Defective thermostat.
* Replace thermostat.
and 330)
* Gas pressure too high.
* Check nameplate on heater fo r
correct gas pressure.
8.
Gas solenoid valve "chatters".
* Defective solenoid in gas valve.
* Replace solenoid valve.
(Models 326 and 330)
* Gas pressure too high.
* Check dataplate on heater for correct
type of gas and operating pressure.
* Improper (low) voltage.
* Check voltage supply against unit
voltage requirements.
(1)
Tighten the thermocouple nut finger tight and s nug in place with appropriate wrench. DO NOT OVERTIGHTEN.
(2)
With any electrical pro blem, all wiring should be checked for good connections and proper voltage and repaired if a
p ro blem is found.
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