P67AA-1 is identical to 2366-251

Simplified Calibration: Enables rapid field setpoint verification and adjustment

while the patented sampling tube design allows for tool-free installation from the front or rear of the detector

It automatically switches the thermostat's internal circuit to the correct mode (heating or cooling) based on whether the central chiller or boiler is active

Browning A56 Belt 321894-709 P67AA-1 is identical to 2366-251Ensure reliable mechanical power transmission in your commercial HVAC systems with the Browning A56 Belt. This 58. 2" Outside Diameter Type A Super Grip Belt is engineered with a classical A section profile, featuring a 1 2" top width and 5 16" thickness to fit standard sheaves. Designed specifically for the high demand cycles of fans, blowers, and pumps, the A56 Super Gripbelt utilizes a wrapped neoprene construction that facilitates smooth, quiet