While originally designed for use in swimming pools, industrially-applicable Pool-Safe R-410A resists chlorine and other chemicals and is UL and CUL listed, meets and exceeds NSF 50 standards, assists in meeting 4.0 COP requirement, and is designed to handle R-410A pressures up to 600 psi on refrigerant side and 75 psi waterside. Robust and patented plastic T-fitting fits waterside connection. Plastic jacket diameter is either 1.5 or 2 in, and unit can be sized from 40,000 to 150,000 Btu/hr. Company’s proprietary tubing offers greater heat transfer efficiency of up to 4X that smooth tubing.