Outdoor Wood Furnace Brands. · Heat Source 1. · Various Other Brands. Central Boiler Water Treatment. Central Boiler Heat Exchangers. Central Boiler Unit Heaters. Taco pumps And Supplies. See all items in the store. Used on the following Royall Products. 6300 Indoor or Outdoor Wood Boiler. Authorized supplier of Central Boiler Parts and all other Outdoor Wood Furnace supplies. Your One Stop Shop for Outdoor Furnace Installation Parts & Info: We specialize in supplying our customers with quality parts for a complete installation! We have anything you will need including: Insulated Pex Piping, Plate Heat Exchangers, Hot Water Forced Air Coils, Pool Heat Exchangers, Hot Water Unit Heaters, Pex Tubing, Circulator Pumps, Aquastats, Valves, Fittings, etc. Also stock complete line of Door Gasket Material for all Pellet Stoves, Wood and Gas burners, Don’t see it listed Ask. We will update you if any information is received.