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The Weil McLain 511-330-221 is a Natural Gas Pilot Burner Assembly designed specifically for heavy-duty commercial and residential atmospheric boilers
ensuring the harness and connector pins interface perfectly with the existing control board
Built with 1 NO and 1 NC built-in auxiliary contacts
Simplified Field Installation: Kit comes complete with a thermostat knob and mounting hardware for immediate technician deployment
System Efficiency: Restores precise temperature regulation
Lennox 74K96 Pressure Test Kit 326058-755 The Weil McLain 511-330-221 isThe Lennox 74K96 Pressure Test Kit (also cataloged as LB 91053) is a precision engineered diagnostic tool designed specifically for checking the integrity of Lennox Pulse furnaces. As any veteran tech knows, identifying hairline fractures or compromised seals in a heat exchanger leak test is critical for ensuring occupant safety and preventing carbon monoxide bypass. This genuine OEM Lennox 74K96 kit provides the necessary components to isolate and
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