The GMP4 Glycol System Feeder is used to feed and pressurize closed hydronic heating/cooling systems. Compatible with both water and water/glycol mixtures up to 50% concentration. Perfect size for hydronic systems up to 79Gal in volume. Manufacturer: Calefactio Power supply: 115V, 1ph, 60Hz Tank volume: 4 Gal System connection: 1/2" FNPT(female NPT) For more information consult the below data sheet. Data Sheet
