Sensus 121-8-2 Regulator Els PW 17895 All ZD series dampers are

All ZD series dampers are manufactured 1/4" undersized to ensure a proper fit without binding in standard rectangular ductwork

Designed specifically for 2 PSI piping systems

By maintaining a consistent millivolt signal to the gas valve

This 250-foot roll is constructed from durable

Sensus 121-8-2 Regulator Els PW 17895 All ZD series dampers areThe Sensus 121 8 2 Regulator is a heavy duty commercial gas pressure regulator designed for high capacity applications requiring precise control. Featuring a 2 inch NPT cast iron body, this spring loaded regulator is engineered for natural gas, propane, and other non corrosive gases. It is equipped with a specific black spring, providing a set point outlet pressure range of 2 to 4. 25 psi. The model 121 series is built with a die cast aluminum alloy