Hartland Controls CON-AUX300-1 AUX Switch R-410A The housing is a rugged

The housing is a rugged NEMA 1 enclosure finished in black Lexan

Delivering 18 lb-in torque

and refrigerant charging without compromising system integrity

The 1/2-inch diameter shaft and 2-speed capability provide precise airflow control for systems requiring variable load management

this regulator is tapped for NPT vent bosses and can be paired with an 12A06 vent limiting orifice or 12A04 device for upright installations

Hartland Controls CON-AUX300-1 AUX Switch R-410A The housing is a ruggedThe Hartland Controls CON AUX300 1 is a high performance SPDT auxiliary switch engineered specifically for seamless integration with three phase contactors. Designed for heavy duty HVAC R applications, this contactor auxiliary contact provides critical status feedback and control interlocking for industrial and commercial systems. It features a single pole double throw (SPDT) configuration, allowing for flexible wiring of both normally open (NO) and