this zone adder utilizes plug-and-play connectivity to bridge additional dampers and thermostats into the existing master control logic

In burnout applications

The Robertshaw 1970 series features a versatile zip nut and Tinnerman clip

this component is engineered to automatically open its contacts when the discharge air or heat exchanger temperature reaches 140°F

Hydrolevel 500 Low Water Cut-Off Freon this zone adder utilizes plug-and-playThe Hydrolevel 500 Low Water Cut Off is a professional grade safety control engineered for hot water boilers in both residential and commercial applications. Operating on 24VAC, this electronic LWCO utilizes a probe to monitor water conductivity, effectively preventing dry firing and mechanical failure. Unlike mechanical float switches, this solid state control features no moving parts, eliminating the need for periodic blowdowns. The unit is equipped