you can easily adapt it for 4-20 mA proportional control by adding a field-furnished 500-ohm resistor across the input terminals

This mixing or diverting valve features a highly saturated nitrile paddle for bubble-tight close-off

Common indicators include the valve failing to close completely

Precision Orifice: Includes a factory-set BCR-18 orifice for optimized natural gas flow and flame stability

Schneider Electric (Barber Colman) TA-1101 Thermostat Refrigerant you can easily adapt itThe Schneider Electric (Barber Colman) TA 1101 is a commercial grade, two position electric room thermostat engineered for high accuracy on off control of heating equipment. As a veteran preferred line voltage thermostat, this unit is the direct replacement for Barber Colman FYDA 1 models, ensuring seamless field retrofits without complex reconfiguration. It utilizes a precision bimetal sensing element and a heavy duty snap action SPST switch capable