Lennox 16V33 Valve 320819-301 Safety Integration: Continuously monitors flame

Safety Integration: Continuously monitors flame signals and safety string components to ensure secure

Field-proven and reliable

a different series insert (such as the AF11S-1A or 1B) must be used to match the internal diameter of the filter body

It will reset the heating circuit autonomously once the temperature falls below the 175°F differential set point

Ease of Installation: Standard 11/32-32 thread-in connection includes necessary adapters for rapid field replacement

Lennox 16V33 Valve 320819-301 Safety Integration: Continuously monitors flameThe Lennox 16V33 Expansion Valve is a high precision thermal expansion valve (TXV) engineered for 6 ton residential and commercial R410A refrigerant systems. Designed to optimize evaporator efficiency, this OEM Lennox part features 3 8" x 1 2" ODF (Outside Diameter Female) sweat connections and a 30 inch capillary tube for flexible installation across various air handler and heat pump configurations. As a critical metering device, the Lennox 16V33