Lennox 38M78 Ambient Switch 318423-701 This adapter is essential for
Baker’s notes & crumb story
Description
Lennox 38M78 Ambient Switch 318423 701 This adapter is essential for This adapter is essential for maintaining the 90 lb force output required in modern hydronic balancing Durable Construction: Built with a cast bronze body and brass trim to resist corrosion and withstand fluid temperatures from 35