What insulation class does this coil use

and R-300B

making it a reliable choice for supermarket cases

protecting the heat exchanger from over-firing conditions

Belimo B338 Valve Els PW 29614 What insulation class does thisThe Belimo B338 is a high performance 1 1 2" 3 way characterized control valve designed for precise flow regulation in demanding hydronic systems. Featuring a nickel plated forged brass body and a 304 stainless steel ball and stem, this mixing or diverting valve is engineered to withstand chilled or hot water applications up to 250F. The A port utilizes a specialized TEFZEL characterized disc to maintain an equal percentage flow characteristic, while