What is the purpose of the VV designation

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What is the primary difference between the AS-58418-83 and the AS-58418-03

What is the torque specification for the included capscrews

This specific gauge is designed for Weil-McLain EG

Lennox 68493 Pressure Control Freon What is the purpose ofThe Lennox 68493 Pressure Control is a critical safety component designed for precise pressure monitoring in residential and commercial HVAC systems. Engineered as a direct OEM replacement, this part is used to protect AC refrigeration systems from overpressure conditions that can lead to compressor failure or permanent equipment damage. This specific control is factory set with a Cut In (CI) of 285 PSIG and a Cut Out (CO) of 140 PSIG, ensuring