Key Benefits Direct OEM Replacement: Matches factory bolt patterns and wiring harnesses for Lochinvar and A

Factory-calibrated to optimize refrigerant flow control and system SEER ratings

though a compatible sealant can be used on the MPT side to ensure a leak-free pipe thread joint

a failed switch will show an open circuit even when cool

This kit ensures your 3-way universal solenoid continues to operate with no minimum pressure requirement

Dwyer Instruments 1900-10MR Pressure Switch 340155-7024 Key Benefits Direct OEM Replacement:The Dwyer 1900 10MR is a precision engineered low differential pressure switch designed for critical monitoring of air and non combustible gases. As part of the 1900 series, this model offers a versatile set point range of 3. 0" to 11. 75" w. c., making it a staple for contractors managing high limit applications where safety and system integrity are paramount. The manual reset functionality ensures that any pressure excursion beyond the set point