Weil McLain 383-500-658 Control Module THPU32HP7Y Standard SPST Configuration: Normally closed
Baker’s notes & crumb story
Description
Weil McLain 383 500 658 Control Module THPU32HP7Y Standard SPST Configuration: Normally closed Standard SPST Configuration: Normally closed Single Pole Single Throw switch designed for easy integration into standard furnace limit loops maintaining operational integrity where standard valves fail