Ensure your HVAC enclosure remains code-compliant and protected by utilizing this genuine Honeywell replacement part for all half-size cabinet assemblies
Does the connector come with the coil
20" WC for accurate low-pressure detection and system safety
provided the operating pressures fall within the 7 to 150 PSI range and do not exceed the 250 PSI bellows limit
making it the industry standard for direct-fired make-up air unit applications
McDonnell & Miller 309200 Switch 30067439-890 Ensure your HVAC enclosure remainsThe McDonnell & Miller 309200 is an industrial grade 11 MV Millivolt Switch specifically engineered for low water cut off (LWCO) control in steam boiler applications. This millivolt replacement switch is the standard for technicians servicing McDonnell & Miller Series 61, 64, 67, 69, 70, 764, and 767 units. Featuring a Two SPST Auto Reset configuration, the 11 MV provides dual circuit control, allowing contractors to manage both the burner circuit and