Honeywell-Water Controls offers a range of hydronic heating, plumbing and energy products, including anti-scald thermostatic mixing valves, air vents/air eliminators, zone valves, pressure regulators, thermostatic radiator valves and water filters. This line includes SparcoMix™ thermostatic mixing valves that meet both ASSE 1016 & 1017 and IAPMO codes. PowerVent™ air eliminators remove virtually 100% of micro air bubbles in a solution through a patented internal stainless steel concentrator design. PowerTrack™ zone valves respond rapidly to heating demands with 10-second opening and 5-second closing. Honeywell-Water Controls. Circle 10.