Water Heater Thermostats & Sensors
APCOM 100108268 Thermocouple
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APCOM 100108425 Lower Thermostat
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WATTS® 0371271 530C Calibrated Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, 50 to 175 psi Pressure, Brass Body
This 1/2 inch calibrated pressure relief valve is used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil, or air. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna-N disc, and Buna-N O-ring. Series 530C has a calibrated adjustment feature for setting the valve to the required relief pressure, and is ideal for bypass thermal expansion pressure relief (not ASME approved). It is for use in fire protection systems. The maximum pressure is 300 psi (20.67 bar). The adjustable pressure range is 50 to 175 psi (3.45 to 12.06 bar).
