Harbor notes
Glass shelves · bracketed field sheets
Description
312 inches before installation
The bimetal sensing element is tuned to open the electrical circuit at 150°F to prevent heat exchanger damage and close at 110°F once temperatures return to a safe operational threshold
The S1-025-31884-000 fits various residential and light commercial models
and 1611 pump models
it includes a second-generation anti-explosion safety switch to prevent catastrophic failure under high-pressure conditions
Watts 0342691 Relief Valve 312 inches before installationThe Watts 0342691 (Model 335M2) is a high capacity boiler pressure relief valve engineered for hydronic heating systems and low pressure steam applications. Featuring a 3 4" female NPT inlet and 3 4" female NPT outlet, this ASME Section IV rated safety valve is factory set to 30 PSI, providing critical overpressure protection for residential and light commercial boilers. With a steam discharge capacity of 510,000 BTU hr, it serves as the direct
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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