it simplifies field service and minimizes downtime by ensuring stable signal processing and burner cycles

Corrosion Resistance: Galvanized finish resists moisture and oxidation in high-humidity environments

this switch is specifically calibrated for the higher operating pressures of R-410A systems

Direct-fit compatibility for Utica-Dunkirk gas valves ensures stable pilot and main burner ignition

Automation Components Inc (ACI) SM-501-P Detector 318172-701 it simplifies field service andThe Automation Components Inc (ACI) SM 501 P is a high performance photoelectric duct smoke detector designed to provide early detection of smoke and products of combustion in HVAC air handling systems. As the SM 501 P direct replacement for legacy SM 501 and SM 501 N models, this unit ensures seamless integration into existing fire safety infrastructures. Operating on multiple input voltages including 24VAC, 24VDC, 115VAC, and 230VAC, it offers