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Question About Honeywell Heating System 40004850-001
As the photo shows, I have two of these heater wat...

As the photo shows, I have two of these heater waterline valves. The left one, upper floor only opens up when the lower valves ask for heat. Most of the time the spool-cylinder inside is hot. what do I need? a new valve switch,

Asked by Christian on 02/12/2014 0  Answer

ManualsOnline posted an answer 10 years, 3 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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