Ranco ETC-112000-000 Control 30067439-890 If you are converting from

If you are converting from an older electro-mechanical setup

Installing this on a lower voltage system will result in insufficient electromagnetic force to lift the plunger

including furnaces and boilers

Does this relay require a specific mounting position

Ranco ETC-112000-000 Control 30067439-890 If you are converting fromThe Ranco ETC 112000 000 is a versatile digital temperature controller designed for precise electronic sensing in HVACR applications. This SPDT NEMA 1 control operates on a 24V AC input and supports a wide temperature setpoint range from 30F to 220F. Engineered as a dependable replacement for traditional electromechanical thermostats, it features a selectable differential of 1F to 30F, allowing technicians to fine tune cycles and prevent short cycling