Maxitrol RV81-1 1/4 Regulator Freon The normally closed (NC) configuration

The normally closed (NC) configuration ensures the valve remains shut until energized

Its robust internal switching mechanism is built to withstand repeated cycles without contact pitting

Its versatile sensing element and standard screw-clamp terminals make it a reliable field-selectable choice for modern commercial digital control networks

Once the plenum temperature drops to a stable 110°F

providing flexibility for both control and alarm functions

Maxitrol RV81-1 1/4 Regulator Freon The normally closed (NC) configurationThe Maxitrol RV81 1 1 4 is a specialized appliance gas regulator engineered for high capacity applications requiring precise pressure control at low inlet levels. Utilizing Maxitrols signature Straight Thru Flow (STF) design, this 1 1 4" NPT unit employs a unique conical valve that allows fuel to pass through without directional changes. This profile significantly reduces frictional resistance, enabling a massive 4,500,000 BTU hr capacity while