22mm Honeywell Angled Auto Bypass Valve DU145-3/4B
The Honeywell Dual DU145 automatic bypass valve controls water flow in the heating circuit according to the water pressure across it and is used to maintain a minimum flow rate through the boiler and to limit circulation pressure when other water paths are closed.Â
22mm Honeywell Angled Auto Bypass Valve DU145-3/4B
The Honeywell Dual DU145 automatic bypass valve controls water flow in the heating circuit according to the water pressure across it and is used to maintain a minimum flow rate through the boiler and to limit circulation pressure when other water paths are closed.Â