We installed this 27KW Generac Generator on Propane, we installed a 499 Gallon Tank underground. Attached to the propane tank there is a mobile devise that monitors the tank level for automatic propane fills. The generator is approximately 12 feet from the propane tank and 30 feet from the house. The generator runs on mobile link software, so the homeowner is updated on his generator operations. The house has a 400 Amp service and we connected to a emergency panel that accommodates a Crestron system and a security system. This flawless and secure system will always be running thanks to the backup standby generator system. Never be without power and keep your house safe.