The unit produces a robust open circuit voltage range of 20 to 28 mV

While it can often replace a single-pole unit for added safety

In most HVAC systems

Durable Brass Construction: High-grade material prevents orifice deformation and resists wear from high-velocity gas flow

Conbraco 13-202-B15 Relief Valve Els PW 17895 The unit produces a robustThe Conbraco 13 202 B15 is a professional grade steam relief valve engineered specifically for low pressure steam heating boilers. Built with a heavy duty bronze body, this 1" MNPT x 1" FNPT safety valve is factory set at 15 PSI to provide reliable overpressure protection in commercial and residential hydronic systems. With a certified capacity of 643 PPH (643 lb hr), it meets the rigorous standards of ASME Section IV, ensuring optimal discharge rates