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For experienced contractors
Its robust design handles high-cycle demands in residential and light commercial environments
the materials are compatible with most standard refrigerants and oils used in Lennox HVAC systems
While the iO-WWS is a powerful sounder
Watts 0121522 Valve L99H008 For experienced contractorsThe Watts 0121522 is a high capacity LF174A Pressure Relief Valve engineered for heavy duty hot water heating boiler applications. Featuring a 1. 25 inch female NPT inlet and outlet, this ASME Section IV safety valve is factory set at 100 PSI to protect hydronic systems from catastrophic over pressurization. The Lead Free cast copper silicon alloy body ensures compliance with stringent potable water requirements while providing superior corrosion
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