Lochinvar & A.O. Smith 100109933 Switch 321142-301 The Honeywell 32003036-001 Weather Enclosure

The Honeywell 32003036-001 Weather Enclosure is a critical field accessory for protecting direct coupled actuators in outdoor or high-moisture environments

always verify the rating on the existing motor nameplate before wiring

System Longevity: Prevents permanent damage to heat exchangers and internal components by cutting power before reaching critical failure points

preventing low-ambient cooling issues and extending the service life of your fleet's compressor and motor components

Key Benefits for Contractors: Plug-and-Play Integration: The 6-foot thermostat extension cord and series plug allow for direct 120Vac heater connection without hardwiring

Lochinvar & A.O. Smith 100109933 Switch 321142-301 The Honeywell 32003036-001 Weather EnclosureThe Lochinvar & A. O. Smith 100109933 Blocked Inlet Switch is a critical safety component designed for high efficiency water heaters and boilers. Engineered to monitor atmospheric pressure within the combustion air intake, this OEM replacement pressure switch ensures the burner operates within safe pneumatic parameters. This specific blocked inlet switch kit is calibrated to a set point of 0. 77" Water Column, effectively detecting restricted airflow