Lennox 71W27 Air Inlet Collar Els PW 17895 The Watts 0342691 (Model 335M2)
Baker’s notes & crumb story
Description
Lennox 71W27 Air Inlet Collar Els PW 17895 The Watts 0342691 (Model 335M2) The Watts 0342691 (Model 335M2) is a high capacity boiler pressure relief valve engineered for hydronic heating systems and low pressure steam applications the F19 0104 is a critical truck stock item for maintaining system pressure and temperature distribution in aging hydronic loops