By installing this device directly into the regulator vent

The Johnson Controls T-4002-5018 is a high-precision external set point dial engineered for integration with T-4000 Series pneumatic thermostats

Designed for long-term field service

It fits Series 1

this motor ensures full backward compatibility without the need for field modifications

Robertshaw 790-500 Module R-410A By installing this device directlyMaintain precise combustion control with the Robertshaw 790 500 RAM 5, a dedicated 24V intermittent pilot ignition module engineered for high demand residential and commercial heating equipment. This intermittent pilot control effectively manages the ignition sequence by initiating the spark and pilot valve simultaneously upon a call for heat. Field technicians rely on the RAM 5 for its ability to provide continuous pilot flame monitoring at a