Lochinvar & A.O. Smith 100167776 Module Kit Els PW 17895 This SPST (Single Pole Single
Baker’s notes & crumb story
Description
Lochinvar & A.O. Smith 100167776 Module Kit Els PW 17895 This SPST (Single Pole Single This SPST (Single Pole Single Throw) component is engineered to manage the delayed start and stop functions of Armstrong furnace blowers the system must remain disabled until a technician confirms the flame is correctly contained within the burners