Mr. Heater Propane Two Stage Horizontal Regulator with P.O.L, 1, Multi Enerco, based in Cleveland Ohio, has been at the forefront of infrared combustion technology since 1957. This market leading technology has allowed Enerco to build expertise in consumer heating products as well as heavy duty commercial and construction heating products. Starting in 1984, Enerco?s Mr. Heater Brand has delivered innovative technology and unmatched quality and service as America?s Most Popular Brand Of Heaters. From its Original Tank Top Series to its patented Buddy Heaters, millions of consumers have enjoyed high quality comfortable heat. Mr. Heaters Contractor Series Forced Air Propane and Kerosene Heaters have become the industry standard for dependability while its unit heaters have expanded the garage to usable workspace in the winter months. 2011 marked the launch of HERO-The World?s First Cordless Forced Air Propane Heaters featuring Quiet Burner Technology. Through innovative products, innovative marketing, and world class customer service, Mr. Heater is leading the way in portable heat! Features Industry standard for dependability Innovative technology Unmatched quality and service Excess flow safety feature Standard P.O.L. tank connection Left hand thread 160,000 btu/hr Capacity Used with propane fueled indoor and outdoor appliances USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.