Honeywell DU145-3/4B 22mm Automatic Bypass Valve Airflow Solution as measured by ASTM D6866-18

as measured by ASTM D6866-18 standards

Excellent capillary action

Reliable watertight joins

Use our Acrylic Durable Matt on suitably primed woodwork and radiators and benefit from a Class 1 Scrub Rating of ISO11998

Stainless steel (anti-rust) ferrule

Honeywell DU145-3/4B 22mm Automatic Bypass Valve Airflow Solution as measured by ASTM D6866-18Unique and simple adjustment mechanism Wide differential pressure range 0. 1 to 0. 6 bar 22mm compression fittings for ease of installation Reduces system noise and maintains an even system pressure Ensures constant flow through boiler High capacity flow up to 50 litres per minute Lockable set pressure prevents inadvertent adjustment Supplied with a 1 year guarantee from the manufacturer Heating Controls Type Automatic Bypass Valve Material Brass