Question about Uniflame 200209 Open Flame Patio Heater
When trying to fire up my patio heater the pilot light lights but goes out when trying to turn gas supply knob to either high or low heat. Is there a way to find out if the thermocouple is shot. It has been cleaned, used compressed air.
The pilot's millivolt generator may be at fault. if you have a meter that is capable of measuring a very small DC voltage, connect it up to the very end of the thermocouple and the copper cappillary. the thermocouple has a welded bead at the very end inside that generates a small DC voltage. Same principle of a J-K thermocouple. Iron constintan - two dissimiller metals where joined together produce a voltage when heated. the thermocouple actuates a millivolt electromagnet inside the valve to keep the valve pellet open. no voltage there it won't actuate the electromagnet.
Posted on Oct 15, 2007
The pilot light is on but the heater will not come on. We have a programmable thermostat and it shows temp etc.
Posted on Oct 30, 2008
This is the most common question and issue around these heaters. The Pilot Assembly needs to be cleaned out. See steps 7 through 14 here.
Posted on Jun 04, 2008
Pilot light is on, heater lights up & fan comes on but never gets hot air in the house, ran thermosta way up & it runs & runs No heat ?
Posted on Nov 19, 2009
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