Carrier 50K163042 Muffler 318423-701 With an integrated manual override

With an integrated manual override switch (OFF/AUTO/ON)

replacing the S1-031-09175-000 often resolves relay failures on the board that prevent blower activation

It supports floating control or two-position signal inputs

ensuring compatibility with standard synthetic tubing used in high-performance pneumatic control loops

High Power Capacity: Supports up to 1 HP at 120 VAC and 2 HP at 240 VAC

Carrier 50K163042 Muffler 318423-701 With an integrated manual overrideAs a seasoned technician, you know that managing pulsation and acoustic resonance in the discharge line is critical for long term compressor health. Replace your failing component with the Carrier 50K163042 Muffler, a genuine OEM refrigerant muffler specifically engineered for high pressure HVAC systems. This heavy duty muffler features a 1 1 8" ODF (Outside Diameter Female) sweat connection, providing a precise fit for Carrier heat pump and