The FasNSeal® AL29-4C® direct-vent system is now UL-listed in commercial sizes through 16-in. dia, says the manufacturer. The vent system is designed for high-efficiency gas and oil heaters where cool ...
The FasNSeal® W2 AL29-4C double-wall direct vent system is designed as a commercial and light industrial vent system for high-efficiency Category III and IV gas- or propane-fired appliances. The ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback