The Carrier P291-2504 is a professional-grade 25 MFD 440V run capacitor designed for high-performance motor applications in commercial and residential HVAC systems

Utilizing a solid state ignition transformer for HVAC applications like this prevents common nuisance lockouts caused by weak or erratic spark

The three sample line connections utilize 1/4" OD compression ferrule and nut fittings

it allows the boiler control to modulate water temperatures based on ambient conditions

By simply flipping the actuator over on the shaft

Conbraco 10-617-10 Relief Valve THPU32HP7Y The Carrier P291-2504 is aThe Conbraco 10 617 10 is a high capacity hot water relief valve engineered for the protection of large scale ASME Section IV heating boilers and commercial hydronic systems. This veteran preferred Apollo 10 600 series valve manages high input BTU loads, featuring a 1 1 2" Female NPT inlet and an oversized 2" Female NPT outlet to ensure rapid discharge during overpressure events. With a 5,400,000 BTU capacity and a factory set 50 PSI pressure rating,