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SKU : HONDU144
£42.98 Exc. VAT
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he 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.
The DU144 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. The use of an ABV is recommended by the UK Government as Best Practice in the CHeSS (Central Heating System Specifications) guide to central heating systems.
Unique 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
Lockable set pressure prevents inadvertent adjustment
Factory set at 0.2 bar
Order before 2.30pm for next working day delivery (orders placed after 2.30pm will be processed the following working day). Please note if you have ordered an item which is listed as next day delivery with an item which has a longer lead time they will be sent together at the longer lead time.
We only stock quality products from the best manufactures.
Have questions or need some advice? We're here to help.
Your orders are shipped seamlessly across the UK.
Your payments are safe and secure via Stripe.
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