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and R44326-001
and legacy R502 systems
Always check the condition of the limit for heat stress before completing the install
Featuring straight-through wiring with box lugs and quick-connect terminals
The TRR1558 is designed for 200/230V primary input
Watts 0275404 Valve 320735-701 and R44326-001The Watts 0275404 is a high capacity boiler pressure relief valve from the Series 174A, engineered specifically for hot water heating and domestic supply systems. This 1 inch NPT threaded valve is designed to handle demanding commercial and industrial hydronic loads, featuring a discharge capacity of 3,215,000 BTU hr at a 125 PSI pressure relief setting. Built with a rugged bronze body and a stainless steel spring, it utilizes a non metallic, soft
US$ 250.00
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