This high-temperature boiler sight glass resists the etching and clouding common in older natural gas units

OEM Fitment: Eliminates the need for universal mounting brackets

and safety limit circuits to maintain precise thermal output

This HVAC safety control is a direct fit for many York

Carrier EF17BG247 Reversing Valve 323055-751 This high-temperature boiler sight glassThe Carrier EF17BG247 is a critical 4 way reversing valve engineered specifically for heat pump systems requiring precise refrigerant flow control. As an OEM Carrier replacement part, this valve features a 24V solenoid coil designed to interface seamlessly with standard 24 volt control circuits. With port configurations of 3 4" x 1 2", it facilitates the essential transition between heating and cooling cycles by reversing the refrigerant flow