The BG962HAK P5 is a high altitude conversion kit for BG952, BG962, and BG972 models that are field converted to use propane. It is works with all 90000 input btu models of the BG952 and BG962 series. It is also designed for the BG972 70000 input btu furnace. It includes all needed parts for the following application.

It is designed for high altitude, propane (LP) applications ranging from 7501-10000 feet above sea level.

This kit includes: 

14A54 (Switch-Pressure 0.75/0.45 WC) 2 stage high altitude pressure switch 

BG11K47 high altitude propane conversion kit (low pressure switches are included with all Blueridge LP conversion kits for additional piece of mind and to protect your investment)