The 24-volt AC control circuit is optimized for standard HVAC control voltage

Variable Performance: Dual-speed 230V operation supports staged heating for improved fuel efficiency and quiet startup

The Reznor 211762 Horizontal Vent Assembly is a fundamental OEM gas heater venting kit designed specifically for Reznor UDAS

this 115v ignition board simplifies field repairs by maintaining factory-spec timing and current thresholds

Hartland Controls CON-AUX300-1 AUX Switch 320735-701 The 24-volt AC control circuitThe 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