The Carrier HH12ZB250 Limit Switch is a critical safety component designed for high-temperature monitoring in HVAC furnace plenums and heat exchanger compartments

They are functionally and physically identical

Direct OEM Compatibility: Specifically designed for ICP heat pump models

Easy Retrofitting: Compact footprint and universal mounting simplify the replacement of bulkier older-style relays

Industrial Protection: NEMA 4 enclosure safeguards internal windings from moisture and dust

Packard 65670 Universal Motor Kit The Carrier HH12ZB250 Limit SwitchThe Packard 65670 is a versatile C frame universal motor kit engineered for light duty commercial and residential ventilation service. Designed to replace a wide range of OEM "skeleton" style motors, this 115V shaded pole motor is a staple for refrigeration technicians servicing evaporator fan motors, reach in coolers, and exhaust ventilation units. Operating at a high speed at 3000 RPM, this motor features a 5 8" stack height and a 3 16" diameter