Marley Engineered Products MD26 Thermostat 320720-756 it maintains consistent manifold pressure

it maintains consistent manifold pressure to prevent carbon fouling on the heat exchanger

High Reliability: Built to withstand the thermal cycling and vibrations typical of commercial and residential condensing units

It is designed for a 1/2" bore diameter

though verifying the specific temperature rating on your current part is recommended before installation

sequenced operations in both residential and light commercial applications

Marley Engineered Products MD26 Thermostat 320720-756 it maintains consistent manifold pressureThe Marley Engineered Products MD26 Thermostat is a high capacity, double pole single throw (DPST) line voltage control designed for heavy duty resistive loads. Engineered specifically for professional HVAC installations, this manual line voltage thermostat features a robust snap action switch that ensures reliable cycling and a positive "OFF" position for complete circuit disconnection. With a substantial 22 Amp rating at 120V, 208V, and 240V (and 18