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the sensing bulb must be mounted on a horizontal section of the suction line at the 4 o'clock or 8 o'clock position (on lines 7/8" or larger) to ensure accurate liquid-vapor sensing
Enhanced Connectivity: Features high-grade multi-pin connectors designed to prevent accidental disconnects and electrical intermittent faults
They are the same part
the 97479 is spec’d for Reznor’s internal wiring schematics
the 1830-312 is factory-shipped with a natural gas orifice installed but includes a separate conversion orifice for liquid propane (LP) applications
KMC Controls MCP-8031-3101 Actuator Els PW 17895 the sensing bulb must beThe KMC Controls MCP 8031 3101 is a high performance pneumatic damper actuator engineered for precise control of small dampers in HVAC systems and VAV air terminal units. This unit features a 5 10 PSI spring range and a 1 11 16 inch stroke, making it a reliable choice for field technicians installing or maintaining variable air volume systems. Its rugged metal body is UL555S listed for smoke control applications, ensuring compliance in ceiling plenum
US$ 337.50
US$ 78.00
US$ 70.00