As a genuine Honeywell HVAC part

Constructed from high-dielectric materials

When you're out in the field and a furnace or air handler blower is dead

Proper installation involves loosening the compressor mounting bolts and removing shipping blocks so the unit can rest securely on the isolated spring assembly

Using this genuine OEM HVAC replacement part maintains the integrity of the original system design and ensures long-term operational reliability in the field

Dwyer Instruments A3000-00 Pressure Switch/Gage 318518-761 As a genuine Honeywell HVACThe Dwyer Instruments A3000 00 is an industry standard Photohelic pressure switch gage designed for precise differential pressure control in critical HVACR environments. This 2 in 1 instrument integrates a time proven Magnehelic gage with high performance low high pressure switches to monitor and regulate positive, negative, or differential pressures. Engineered for air and non combustible gases, it provides a 0 0. 25" w. c. range with a 4" dial face