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The Belimo KH10 Crankarm is a heavy-duty mechanical accessory designed for precision damper linkage applications
Built with Internal Trim Package 1 and Buna body O-rings
while optimized for water pilot operated service
which requires EPA certification and specialized HVAC tools
Lennox 50W74 Gas Valve 328140-751 The Belimo KH10 Crankarm isThe Lennox 50W74 is a direct replacement White Rodgers 36G24 463 natural gas valve designed for high efficiency Lennox gas furnaces. This single stage gas valve operates on a 24V redundant solenoid system, featuring a 1 2" NPT inlet outlet configuration for standard manifold alignment. Engineered for precision fuel regulation, it utilizes an intermittent pilot ignition or direct spark system depending on the furnace control board configuration. The
