This 1/4" NPT immersion sensor functions as a thermostat sensor kit

The unit operates with a 7°F fixed differential

typically supporting a maximum safe air pressure of 30 psi

What is the difference between nominal and OD sizing for this part

Is this blower motor compatible with all gas boilers

Functional Devices RIB02SBDC Relay 320735-701 This 1/4" NPT immersion sensorThe Functional Devices RIB02SBDC is a professional grade enclosed relay designed for demanding building automation and HVAC control applications. Featuring a 20A SPST (Normally Open) configuration, this "Relay in a Box" (RIB) is engineered to interface seamlessly with 208 277V power systems. As a dry contact input relay, it allows contractors to utilize Class 2 low voltage circuits from thermostats or BAS controllers to switch high voltage loads