MR212G-2020 | 2 1/2"MOD/REG. VALVE,NEG PRESS | Maxitrol

2 1/2" MOD/REG VALVE, NEG PRESS. The Maxitrol MR212G-2020 is a modulating regulator that controls negative pressure. It is designed for use with gas appliances and has a maximum inlet pressure of 14" W.C. The MR212G-2020 has a 2 1/2" NPT inlet and outlet and a 1/2" NPT vent connection. It is made of brass and has a Buna-N diaphragm. The MR212G-2020 is a reliable and durable regulator that is ideal for use in a variety of applications. Our HVAC supply store offers the best prices and fast shipping for your products!