DU145 Automatic Bypass Valve controls flow of water through a bypass circuit installed between flow and return pipework, typically at or near the boiler. Building Regulation advice states that if a bypass is installed, an Automatic Bypass Valve must be fitted.

Brand Name	MK by Honeywell
Colour	N/A
Material	N/A
Manufacturer Model No	DU145-3/4B
Wear Type	N/A
Type	Valve
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Pack Size	1
Product Weight	1.0kg
Connection Type	Compression
Fitting Type	Valve
Pipe Diameter	22mm
Suitable System	Central Heating
Product Type	Valve