Sporlan 450303-001 Filter 320788-702 A failed unit often shows

A failed unit often shows infinite resistance across the coil or fails to close the normally open (NO) contacts after the 4-second timing cycle has elapsed

As a genuine replacement part used in Miller

or occupancy sensing

It is designed for standard 48-frame and legacy motor configurations used in York air handlers

Sporlan 450303-001 Filter 320788-702 A failed unit often showsThe Sporlan 450303 001, also designated as the BF164S Bi flow filter, is an industry standard liquid line filter drier designed specifically for the rigorous demands of heat pump systems. Featuring a 1 2" ODF sweat connection, this 16 cubic inch unit utilizes a high capacity desiccant core to provide exceptional acid and moisture removal from refrigerant lines. Its unique internal check valves allow for efficient bi directional refrigerant flow