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Featuring a factory-calibrated #29 orifice and integrated thermocouple (TC) port
this element provides critical protection for downstream pneumatic components by removing 99
secure attachment to the piping
Multi-Speed Flexibility: Features 3 distinct speed taps for optimized airflow control in varying environmental conditions
Watts 0383369 Valve R-22 Featuring a factory-calibrated #29 orificeThe Watts 0383369 Valve is a robust 1 1 4" NPT pressure relief valve specifically engineered for high demand hot water space heating boiler applications. This ASME Section IV certified safety device features an iron body construction and is factory set at a 65 PSI relief setpoint to prevent catastrophic overpressure conditions in commercial and residential hydronic systems. Designed with expanded outlet drain connections, the Series 740 architecture
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