McDonnell & Miller FS4-3T3-3/4 Switch THPU32HP7Y or electric heating systems
Baker’s notes & crumb story
Description
McDonnell & Miller FS4 3T3 3 4 Switch THPU32HP7Y or electric heating systems or electric heating systems It features a versatile design capable of handling multiple refrigerants with specific nominal tonnage ratings: 7 1 2 tons for R22 and R407C