ensuring compatibility with existing valve bodies

Is this blower motor compatible with all gas boilers

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

Specifically designed as a companion for the Hydrolevel VXTC water feeder

The unit operates with a 7°F fixed differential

Functional Devices RIB02SBDC Relay 320735-701 ensuring compatibility with existing valveThe 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