The B210 valve body is rated for chilled or hot water

The Johnson Controls WZ-1000-5 Well Assembly is a professional-grade immersion well engineered for precise temperature monitoring in liquid-sensing applications

Ensure the rod is properly positioned within the flame’s path and that the porcelain insulator is clean and free of cracks to prevent signal grounding

"drop-in" installation

Precise Modulation: Works with Selectra modulator-regulator valves to maintain stable gas-fired temperatures without the lag of traditional butterfly valves

Carrier HH18HA420 Limit Switch 340793-762 The B210 valve body isThe Carrier HH18HA420 Auto Limit Switch is a critical HVAC safety device designed to monitor internal furnace temperatures and protect the heat exchanger from thermal stress. This OEM Carrier replacement part operates with a fixed 90 120F temperature range, ensuring the burner cycles off if the unit exceeds safe operating parameters. As a precision calibrated 90 120 degree limit switch, it features an automatic reset function that restores continuity