The Starfire SFH Oil-Fired Water Boiler features a dependable cast iron heat exchanger and a HydroLevel High Limit and Circulator Relay Control with LWCO.
Features a dependable cast iron heat exchanger with cast iron push nipple connections. The sections and push nipples expand at the same rate when heated. By using similar materials instead of less expensive gaskets or steel push nipples, the boiler maintains a water tight seal.