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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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My name is ***** ***** Staab and live in Northfield, MN. I

Customer Question

Customer: My name is ***** ***** Staab and live in Northfield, MN. I have a 'Kozy Heat' natural gas fireplace that has a tag on the inside saying Warnock Hersey, Model #56101...It also says WINDOM...I was trying to find a manual on this but got confused when I saw all the choices... The problem I'm having is that it is shutting off by itself, usually a short time after reducing the flame... A service man from Better Air (in Dundas, MN) was out the other day and indicatd the thermopile was bad..He had a hard time getting it out but finally did and replaced it. It worked for about 15 minutes after he left, and has continued the same pattern since then. When it goes out, the pilot goes out as well. It takes many tries to get it restarted..
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Submitted: 1 year ago.
Category: HVAC
Expert:  BillyHvac replied 1 year ago.


this sounds more like the oxygen sensor is tripping. The vent pipe to out is a pipe inside a pipe....the center pipe exhausts gasses...the outer pipe area between the 2 pipes draws air in for the flame...if the hollow area around the center pipe gets plugged, nest, sealed blocks air for the burner....and the result is shut down. Can you remove the vent cover outside and check that hollow area around center pipe?