The Style 5 pressure element includes a 1/4" external flare fitting

this valve is specifically engineered to provide a Maximum Operating Pressure (MOP) limit

The Carrier HD46AR234 3/4HP Indoor ECM Fan Motor is a precision-engineered Factory Authorized Part designed specifically for Carrier

5-inch lead applications

Carrier 334357-751 Heat Exchanger 318973-401 The Style 5 pressure elementThe Carrier 334357 751 Heat Exchanger is an OEM Carrier secondary condensing heat exchanger designed for 90% AFUE and higher gas furnaces. This 15 cell assembly is critical for capturing latent heat from combustion gases, significantly increasing thermal efficiency in Carrier, Bryant, and Payne furnaces. Engineered with high grade, corrosion resistant materials, this replacement heat exchanger is built to withstand the acidic condensate produced