Lennox 11Y29 Expansion Valve 320819-301 Broad Application: Standardized for use

Broad Application: Standardized for use across multiple brands including Intertherm

We recommend installing a check valve at the inlet to maintain the internal water seal

Direct Compatibility: Designed specifically for Lochinvar Solution models and A

and unauthorized setpoint adjustments without obstructing visibility

Lennox 11Y29 Expansion Valve 320819-301 Broad Application: Standardized for useThe Lennox 11Y29 Expansion Valve is a high precision 3 ton R410A TXV engineered for critical refrigerant metering in residential and light commercial evaporators. This OEM Lennox 104413 01 thermal expansion valve utilizes a balanced port design to maintain a static superheat of 5. 54F, ensuring stable system operation across varying load conditions. Designed with sweat solder connections and a 132. 81 PSIG calibration point, it facilitates a leak