You are downloading the GBHeatInput XAP file v126.96.36.199 for Windows Phone. GBHeatInput is a free and useful Business app: A simple heat input and gas rate calculator for timing Natural Gas installations. Time the Metric meter for two minutes, input the first and second ... You can now download the offline XAP file to install & try it.
Download Locations for GBHeatInput 188.8.131.52 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline GBHeatInput XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.