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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a Day Night Model 125D48-19 and almost every time the

Customer Question

I have a Day Night Model 125D48-19 and almost every time the fan turns on it seems to pop the 5 volt fuse that the service technician installed after changing out a Mars 50203. It currently has the "original" R8222B 1109 switch relay. How can I resolve this problem before it gets to hot?

Submitted: 1 year ago.
Category: HVAC

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