Energy Saving Trust channels

Font enlarger buttons

AAA

Top shortcut links

Main navigation starts here

Select Heating Category

Select Brand

Energy Saving Trust Recommended

Energy saving products that will save you money and help the environment

Automatic Bypass Valve

Showing 1 - 2 of 2 products
  • Honeywell DU144 Automatic Bypass Valve

    Honeywell DU144 Automatic Bypass Valve

    Unique and simple adjustment mechanism. High capacity flow - up to 50 litres per minute. 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.

    Found in: Heating Automatic Bypass Valve Honeywell

  • Honeywell DU145 Automatic Bypass Valve

    Honeywell DU145 Automatic Bypass Valve

    Unique and simple adjustment mechanism. High capacity flow - up to 50 litres per minute. 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.

    Found in: Heating Automatic Bypass Valve Honeywell

The Energy Saving Trust Recommended scheme sets strict energy performance requirements for products certified on the scheme. We regularly review these standards to ensure that the most energy efficient products currently available are certified and carry the Energy Saving Trust Recommended logo. This product is certified as Energy Saving Trust Recommended based on a previous standard, which has since been updated.

EST main sections

Climate Change

Sign up for our e-bulletinHow we contribute to climate changeClimate change explainedThe impact of climate change in the UKThe impact of climate change in the rest of the worldWhat's being done to help fight climate change?Carbon off-setting

Easy ways to stop wasting energy

Energy Saving Week 2011CompetitionsStop wasting energy and cut your billsEnergy saving grants and offersSign up for our e-bulletinWhere I LiveWhat is a carbon footprint?Support our campaignsHome energy checkGreen ambassadorsJoin the conversation

Home improvements and products

Green DealSmart meters: your questions answeredAbout Energy Saving Trust Recommended productsEnergy Saving Open HomesLightingHeating and hot waterHome insulation & glazingHome appliancesHome entertainment and electronicsComputers and peripheralsMoving home: a green guideOnline toolsPay As You Save PilotsSign up for our e-bulletin

Generate your own energy

Home Energy Generation SelectorSell your own energyCashback CalculatorCan I generate electricity from the wind at my home?Grants & offers: UKGrants & offers: ScotlandWind TurbinesSolar water heatingSolar electricityMicro combined heat and power (micro CHP)Ground source heat pumpsAir source heat pumpsHeat pump field trialWood fuelled heatingHydroelectricityGetting planning permissionEnergy generation to-do listEnergy Saving Trust field trial of domestic wind turbinesReal life case studiesBuying green electricityRenewable Heat Premium Payment Form

Travel

Sign up for our e-bulletinBuying a carDriversMPG calculatorAlternative fuelAlternative transportFlyingTravel Energy Check

Waste

Waste reductionHome CompostingRecycling made easyAvoiding Food WasteWhat to do with Waste ElectronicsMore ways to reduce your wasteGet friendly with the freezerRecycle Week 2010

Water

Great British Water FightWater and energyWater Energy CalculatorWater Saving TipsWater productsThe water cycle explainedGardeners CornerUseful links

Footer Quick links

© Energy Saving Trust 2012