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MUELLER Valves

Browse MUELLER valves worldwide — 86 refrigeration, check & relief valves in stock at 3G Electric. Source genuine MUELLER parts for HVAC/R systems.

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This sweat-to-sweat connection diaphragm valve features a 3/8 in female sweat connection, standard length body, and 0.6 in base-to-port center height. It is A2L compatible. Used for on-off or throttling service in HVAC and refrigeration systems, suitable for low-pressure liquid or gas lines requiring leak-tight shutoff.

MUELLER Sweat-to-Sweat Connection Diaphragm Valve

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Refrigeration ball valve with 2 5/8 in female sweat connection for brazing into copper lines. Includes access port for system service; no relief port. A2L compatible for use with mildly flammable refrigerants. Used to control refrigerant flow in commercial and industrial refrigeration systems.

MUELLER Sweat Connection Refrigeration Ball Valve AC17871

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Angle-type pressure relief valve for refrigeration systems. Set to relieve excess pressure within a 70 psi to 450 psi range. Inlet is 1/2 in male NPT; outlet is 5/8 in male flare. Compatible with A2L refrigerants. Used in commercial and industrial refrigeration circuits to protect equipment from overpressure.

MUELLER A 15514-450 Refrigeration Pressure Relief Valve

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Magnetic check valve with copper body for refrigerant systems. Features 1/2 in connections and 7/16 in cut out. Used to prevent reverse flow in refrigeration and air conditioning piping.

MUELLER A 17936 Magnetic Check Valve

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This sweat connection refrigeration ball valve features a 3 1/8 in female sweat connection and an access port for service access. It has no relief port and is A2L compatible, suitable for use in refrigeration systems requiring large-capacity flow control.

MUELLER AC17872 Sweat Connection Refrigeration Ball Valve

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Brass four-bolt check valve with 2 1/8-inch connections and 1 1/2-inch cut out. Used in refrigeration and HVAC systems to allow refrigerant flow in one direction, preventing backflow in discharge, liquid, or suction lines.

MUELLER B 34239 Four-Bolt Check Valve

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This sweat connection refrigeration ball valve from MUELLER features a 3/8 in male sweat connection for brazing into copper lines. It includes an access port for service or pressure readings and is A2L compatible for use with low-flammability refrigerants. The valve has no relief port and is suitable for isolating refrigerant flow in HVAC and refrigeration systems.

MUELLER Sweat Connection Refrigeration Ball Valve

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This sweat connection refrigeration ball valve features a 5/8 in female sweat connection for direct brazing into copper lines. It has no access port and no relief port, minimizing potential leak points. The valve is A2L compatible for use with low-flammability refrigerants. Suitable for controlling refrigerant flow in HVAC and refrigeration systems.

MUELLER Sweat Connection Refrigeration Ball Valve

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This sweat connection refrigeration ball valve from MUELLER features a 7/8 in female sweat connection for direct brazing into copper lines. It has no access port and no relief port, and is A2L compatible for use with low-flammability refrigerants. Suitable for controlling refrigerant flow in HVAC and refrigeration systems.

MUELLER Sweat Connection Refrigeration Ball Valve

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This sweat connection refrigeration ball valve features a 2 5/8 in female sweat connection for direct brazing into copper lines. It has no access port and no relief port, and is A2L compatible for use with low-flammability refrigerants. Suitable for controlling refrigerant flow in commercial and industrial refrigeration systems.

MUELLER Sweat Connection Refrigeration Ball Valve

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