Marley Engineered Products 3301-2020-006 Thermostat Knob voomi_id_34176 The Lennox 78L19 Expansion Valve

The Lennox 78L19 Expansion Valve is engineered for precise control of refrigerant flow in HVAC systems

Equipped with advanced sensors for accurate humidity readings

Enhances system safety by monitoring refrigerant pressure levels

1 1/4" Water Reg Vlv 145/190#

and sealing in plastic film to maintain integrity and cleanliness

Marley Engineered Products 3301-2020-006 Thermostat Knob voomi_id_34176 The Lennox 78L19 Expansion ValveProduct Description The Marley Engineered Products Thermostat Knob model 3301 2020 006 is an essential replacement part designed to maintain precision control over your heating system. This knob allows for accurate temperature adjustments, ensuring maximum comfort and efficiency in any setting. Robust plastic construction ensures longevity and resilience. User friendly design for easy installation and operation. Compatible with a wide range of Marley