Lennox 35K71 Combustion Chamber R-407C which is essential for sensing

which is essential for sensing the actual pressure at the evaporator outlet to maintain accurate superheat

The Johnson Controls VG7441NT is a heavy-duty 1-inch NPT globe valve engineered for precision control in commercial HVAC systems

Common indicators include erratic fan cycling

is required to compensate for thinner air and ensure the induced draft motor creates sufficient vacuum for safe ignition

Field Adjustable: The threaded arm allows for precise positioning of weights to calibrate the opening point based on the system’s total external static pressure

Lennox 35K71 Combustion Chamber R-407C which is essential for sensingThe Lennox 35K71 Combustion Chamber is a critical OEM replacement part engineered for high performance Lennox gas fired furnaces. Designed to manage the intense thermal demands of the heat exchange process, this chamber provides a precisely enclosed environment where natural gas combustion occurs. Fabricated from high grade, heat resistant materials, the 35K71 ensures optimal air fuel mixing, which directly correlates to reduced emissions and