Kele Product RES-1E Transducer Freon and MR212 modulating valves

and MR212 modulating valves

You may hear the inducer motor run

it should be mounted to a boiler tap above the water level

this single-stage SPDT control provides a wide regulation range from -40°F to 212°F

and TP973 pneumatic thermostats

Kele Product RES-1E Transducer Freon and MR212 modulating valvesThe Kele RES 1E Universal Resistance Transducer is the professional upgrade and direct replacement for the legacy RES 1, providing field hardened analog to resistance conversion for complex building automation systems. Designed for technicians requiring a reliable DIN rail mounted resistance converter, this unit translates standard 420 mA, 010 VDC, and PWM signals into precise resistance outputs to drive electric actuators, boilers, and chillers. With