Integrated Exhaust Regulator: Simplifies the swap-out process by including the regulator pre-installed

Operating on 24 VDC from the main detector

This model features 1/4" OD (3/16" ID) brass fittings

1/4 HP HVAC replacement motor designed for demanding commercial and residential applications

Lennox 42W29 TXV R-410A Integrated Exhaust Regulator: Simplifies theThe Lennox 42W29 is a high precision thermostatic expansion valve (TXV) designed to regulate refrigerant flow in 2 ton residential and light commercial cooling systems. This genuine OEM Lennox part (MPN 100679 15) is engineered for R410A refrigerant applications, ensuring optimal superheat control and system efficiency. Featuring 3 8" x 1 2" ODF connections, the Lennox 42W29 TXV provides a secure, leak resistant fit for sweat connection evaporator