Zero Degree Glycol chiller Chiller use's 1250 lbs. of R-22 refrigerant Compressor is by FES and exchangers are by FES, and Thermo Power-York. MAWP is 300 psi at 400 degrees F, MDMT is -20 at 300 degrees F Glycol Flow= 500 GPM, Inlet temp.= 10-15 degrees F. Outlet temp. is delta 10 Degrees F. with FES digital micro control panel.