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the WMO-1 safety switch serves as a critical fail-safe
Loosen the locknut on the top of the valve and rotate the stainless steel adjusting screw clockwise to increase pressure or counter-clockwise to decrease it
Common Questions: What is the torque rating for the ZD16X10TZ motor
it often indicates a mechanical failure of the internal diaphragm or an obstruction in the pilot line
preventing hazardous automatic restarts after a high-pressure trip
Lennox 16U84 Service Valve 321894-706 the WMO-1 safety switch servesThe Lennox 16U84 is a professional grade 3 4" suction line service valve engineered for critical refrigerant flow control in residential and light commercial HVAC systems. This service valve assembly features a high duty brass construction designed to withstand the thermal stresses of brazing while maintaining structural integrity under high pressure. This specific Lennox OEM part is critical for isolating the refrigerant charge during system