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Field-Service Design: Includes a built-in after-hours override button for manual occupancy triggering and an accessible data port for diagnostic tool connection
The P545NCB-22 is rated for a maximum working pressure of 100 PSI
Engineered with a Single Pole Double Throw (SPDT) contact configuration
the maximum differential pressure (delta P) is typically recommended at 30 psi to prevent cavitation and noise issues
maintaining the high-efficiency performance standards of 2-stage HVAC systems
Watts 0276500 Valve Refrigerant Field-Service Design: Includes a built-inFor high capacity pressure protection in commercial and industrial hydronic systems, the Watts 0276500 (Series 174A 1 1 2 30) is a heavy duty ASME Section IV safety relief valve designed specifically for hot water heating boilers. This 1 1 2 inch bronze boiler pressure relief valve is factory set at 30 PSI, providing a high steam relief capacity of 2,020,000 BTU hr. Built with a rugged bronze body and a stainless steel spring, the 174A series utilizes
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