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The Weil-McLain 381-330-028 Control Module is the critical electronic logic center for managing Weil-McLain CGBoiler sequences and burner operations
while the built-in keypad lockout prevents unauthorized setpoint tampering in high-traffic environments
it is UL listed and suitable for many NEMA applications
As an essential ASCO valve part
Moisture Resistant: Synthetic media resists microbial growth and maintains structural integrity in high-humidity environments
Lennox 11W00 Piston Assembly 320819-301 The Weil-McLain 381-330-028 Control ModuleThe Lennox 11W00 Piston Assembly is a precision engineered . 067 fixed orifice metering device designed for consistent refrigerant flow control in Lennox and Allied Air residential cooling systems. Engineered for high pressure durability, this HVAC expansion piston ensures optimal evaporator coil performance by maintaining the necessary pressure drop between the liquid line and the coil. Whether you are performing a dry charge unit installation or
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