Join our email list to get the latest discounts, new products & industry trends!
Oswald Supply stocks the full residential boiler line of Williamson-Thermoflo residential boilers. Whether you are looking for information on residential boilers, furnaces, commercial heating products or air conditioning equipment, Williamson has what you need. We provide a full range of comfort heating and climate control products for residential, commercial and institutional use.
The residential boiler lines includes: GWA gas water atmospheric boilers, GWI gas water induced draft boilers, Free Style Wall Mount Gas Fired Condensing boilers, GSA gas steam atmospheric boiler, GSA gas steam atmospheric boiler, GWC water condensing boiler, OSB oil fired steam boiler, OWB oil fired water boiler, OWT oil fired water boiler with tankless coil, CHB Centennial High Boy Multi-Speed Direct Drive or Variable Speed boiler, CLB Centennial Low Boy Multi-Speed Direct Drive or Variable Speed boiler, PLB packaged Low Boy boiler, PLB 098/112 Packaged Low Boy Direct Drive or Variable Speed boiler, PMP Packaged Multi-position boiler, GL Glass Lined Water Heaters.