Lochinvar & A.O. Smith 100166090 Pressure Switch 320074-702 While some sources list cross-compatibility
Baker’s notes & crumb story
Description
Lochinvar & A.O. Smith 100166090 Pressure Switch 320074 702 While some sources list cross compatibility While some sources list cross compatibility this unit ensures compliance with local plumbing codes while protecting against thermal expansion and pressure spikes in potable water applications