List of Pertinent Points for the Keyword "propane heated hot tub": - Northern Lights Cedar Tubs offers gas hot tub heating systems as an alternative to electric heaters. - The gas heater available is the Pentair MasterTemp 125,000 BTU/Hr Mini-Max electronic ignition heater. - Gas heaters have quick heat up times and are suitable for large volume hot tubs or for weekend homes and cottages. - Gas heaters can be used with all Northern Lights Cedar Tubs hot tub models, including soaker tubs, standard tubs with 4-8 jets, and high-performance tubs with 16-20 jets. - The gas heating systems can use either LPG (propane gas) or Natural Gas (NG) and can be used outdoors. - The Pentair MasterTemp can also be used indoors or with horizontal side venting flue without further adaptations. - Hybrid gas/electric systems are available as an option to switch to electric heat when temperatures are too cold for reliable gas heater operation. - These gas hot tub heating systems can be used on any hot tub or spa, including custom installations. - A simple propane outdoor water heater from Amazon can turn a stock tank pool into a hot tub or heated pool. - The setup can heat an 8' stock tank by 5-10 degrees per hour. - Propane water heaters are designed for outdoor use and utilize a standard 20-pound propane tank. - The heater needs to be securely mounted to a sturdy surface like the side of a house or a fence. - The setup requires specific parts and tools. - There are three sizes of propane water heaters available, with prices ranging from $120 to $330.