Lochinvar & A.O. Smith 100208401 Switch 321894-709 The Cleveland Controls DDP-106-272 is

The Cleveland Controls DDP-106-272 is a heavy-duty dual switching air flow switch designed for precision monitoring in HVAC and energy management systems

Designed for high-reliability applications

Most Lennox HVAC systems require a 5/16" nut driver for the housing components and an adjustable wrench or 1/4" ratchet with an extension to tighten the blower wheel setscrew to the flat side of the motor shaft

provided the amperage and range match the original specs

this 14x14x1 HVAC filter maintains the factory-specified pressure drop across the heat exchanger

Lochinvar & A.O. Smith 100208401 Switch 321894-709 The Cleveland Controls DDP-106-272 isEnsure critical safety and performance for commercial water heating and boiler systems with the Lochinvar & A. O. Smith 100208401 Switch. This genuine OEM Pressure Switch Nema 4 is engineered to monitor combustion air and flue gas pressures, providing precise circuit activation or deactivation based on preset thresholds. The NEMA 4 enclosure provides superior environmental protection against dust, rain, and hose directed water, making it a reliable