The Taco 4900 Series Air Separators are designed for the complete elimination of air from closed loop heating and cooling systems up to a maximum temperature of 240°F and a maximum pressure of 150 PSI. The principle on which the Taco 4900 Series Air Separator is based is a patented and proven method of removing gases from water: the PALL ring process.

Taco's 5000 Series Heating Only version mixing valve provides the high performance temperature stability required for today's radiant heating systems, making it an ideal choice for a radiant heating system, whether in slab, over pours, or in joist bay heating installations. Extended mixing temperature range of 85 to 176°F (29- 80°C) Features include tamper-resistance cap, low headloss, outlet temperature strip and optional dial gauge and adaptor. Available in union and NPT options; Sweat, NPT, Pex, CPVC union connections.