Geo-Flo’s Hydro-Connect system is designed specifically for geothermal water-to-water or combination heat pumps and low-mass boilers with three control options. Hydro-Connect is an engineered solution to simplify hydronic design by providing easy to understand integrated controls, outdoor temperature reset, warm weather shut down and zoning with a buffer tank. The tank is 50 gal. 316L stainless-steel, enclosed in a powder-coated, 14-gauge galvanized steel cabinet and insulated with 2” closed-cell polyurethane foam. Connections are 1 1/2” NPT for the load and source connections; additional connections are provided for drain valve, hydronic specialties and well-type temperature sensor.