Weil-McLain® has developed its new Stainless Steel Vertical Firetube (SVF) featuring a thermal efficiency up to 97.1%. Available in 750 and 1,100 models, the SVF line features a clover-shaped stainless steel fire tube heat exchanger for corrosion resistance, a new and bold exterior look, and simple, user-friendly controls to make installation and operation easy. The unit is designed for most heating needs including applications in schools and other educational facilities, public institutions, healthcare buildings, offices, hotels, multi-family, churches, and more.

Other key features include 70 to 2,000 MBH compatibility, 160 psi working pressure, natural gas or propane fuel options, Modbus communication with BACet/Lonworks compatibility, low NOX, and full line of venting options.