DU145 Automatic Bypass Valve Angled 22mm by Honeywell

Manufacturer's part number: DU145B

Honeywell DU145B Automatic By pass Valve

A bypass circuit must be installed if the boiler manufacturer requires one. The Honeywell DU145 helps to maintain a minimum flow of water through the boiler when the flow through radiators or underfloor heating circuits is restricted by for example thermostatic radiator valves.

Maintains minimum flow through the boiler
Limits circulation pressure - reduces noise in the pipework
Ideal for systems with large numbers of thermostatic radiator valves fitted
The auto bypass valve starts to open when the thermostatic valves start to close
Building regulations require automatic bypass valves to be fitted in preference to fixed position bypass valves

Only £29.99 (£24.99 excl. VAT)

Delivery 3 to 5 working days

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Product Specification

Supplied with 22mm compression fittings
Brass valve housing, fittings and handwheel
Stainless steel spindle
EPDM Seals
Red plastic protection cap - prevents tampering
Temperature range: 2 to 110°C
Maximum operating pressure: 10 bar
Differential pressure setpoint range: 0.1 to 0.6 bar
KVS value: 2.3

Technical Information

Suitable for water
Factory set to 0.2 bar
For system capacities up to 70kW (240,000 btu)
Direction of flow is indicated on the valve body

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