Recent content by EdLane

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    williamson boiler mod 1135-601, Temp stuck at 140F,

    Update: It’s the potentiometers on the control unit. I spoke to a Williamson rep. I replaced the control unit for $130, found it at suppliesdepot.com. Model 1135-601. Everything works perfect now. I’m gonna clean and spray the pots on the old control unit and leave it as a spare. I’m thinking...
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