103197

Honeywell DU144 Auto Bypass Valve 22mm Straight
Honeywell DU144 Auto Bypass Valve 22mm Straight

£66.22

Each

About this product

The Honeywell DU144 Automatic Bypass Valve controls the flow of water through a bypass circuit which is installed between flow and return pipework, typically at or near the boiler. Building Regulations advice states that if a bypass is installed, an automatic bypass valve must be fitted.
This reliable Honeywell bypass valve saves energy by only allowing flow through the bypass when needed i.e. when flow through the system is reduced when zone valves or radiator thermostats are closing. Use of an ABV is recommended in the UK CHeSS (Central Heating System Specifications) guide to central heating systems.

Honeywell DU144 Auto Bypass Valve 22mm Straight

  • Automatic Bypass Valve
  • Brand: Honeywell
  • Size: 22mm straight
  • 1 Year warranty
  • Unique and simple adjustment mechanism
  • Wide differential pressure range 0.1 to 0.6 bar
  • Compression fittings for ease of installation
  • Reduces system noise and maintains an even system pressure
  • Ensures constant flow through boiler
  • Lockable set pressure prevents inadvertent adjustment
  • Factory set at 0.2 bar
  • Product Code: DU144
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