(717) 822-0660 665 Laura Ct, Lewisberry PA 17339 We service what we sell
Repair Shop
General Pump · Parts

Thermal Relief Valve

$28
In stock in Lewisberry
Brand
General Pump
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ShippingShips from Lewisberry, PA. Will-call pickup available same day.
ServiceWe repair what we sell — burner, pump and parts work in-house.
Not sure?Call (717) 822-0660 and describe the job. We will tell you if this is the wrong machine.

What it's for

A thermal relief valve dumps water once recirculating flow gets hot enough to damage the pump. It is not the same part as an unloader and it does not do the same job — people conflate the two constantly.

Cheap, and it protects the most expensive component on the machine.

Read before you buy

Unloader valve or thermal relief valve? They do different jobs and people mix them up. Nozzle sizing calculator

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