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The Glow-worm Outdoor Sensor provides an added level of intelligence to the central heating system by monitoring the external temperature to the home and adjusting the heating output to better maintain the ideal internal temperature. The weather compensation allows the outdoor temperature to be communicated back to the central heating system and adjusting the flow temperature to the radiators to meet the users heating demands. The Outdoor Sensor can significantly help users to reduce their boilers fuel consumption by ensuring that the home is not over heated when the outside temperature increases and affects the internal temperature of the home. This ensures that low annual gas bills are maintained and the homes carbon emissions are reduced.
At Boilers2go we recommend the Glow-worm Outdoor Sensor for use with all Glow-worm gas boiler models for increased energy efficiency and reduced gas bills and carbon emissions. Plus with the Outdoor Sensor the homes desired central heating requirements can be better maintained for improved comfort.
In a closed hot water circuit water cannot be compressed so any expansion in volume, created by an increase in temperature, needs to be accommodated by the expansion vessel. When the water is cold the pre-charge pressure forces the membrane sack, within the vessel, to collapse until the pump is started when the sack starts to inflate. As the temperature in the hot water circuit increases, resulting in the expansion of the water within the circuit, the expanded water enters the sack creating additional volume and lowering the pressure in the hot water circuit. As the water temperature drops the pre-charge pressure force the water from the sack back into the hot water circuit.
The Greenstar CDi Gas Combi Boiler range are Worcester's top of the range appliances allowing the user to control both the central heating and domestic hot water separately. The Greenstar CDi range also offers the widest range of control features providing greater flexibility, convenience and performance. In addition the Greenstar CDi Combi Boiler range are unique in that they condense in both heating and hot water generation modes giving great efficiency, lower gas bills and reduced carbon emissions.
The Greenstar 42CDi is ideal for large homes with more than one bathroom and where there is a high demand for hot water. Also as the 42CDi Combi Boiler does not require feed tanks in the loft or a hot water cylinder, homeowners can save on valuable living space. With the 42CDi's compact dimensions and multi-directional flueing the boiler provides flexibility and convenience when deciding where to install the boiler.
Key Features and Benefits:
At Boilers2go we recommend the 42CDi due to the comprehensive manufacturers cover which includes a 2 years guarantee, a 10 year guarantee on the primary heat exchanger and a 5 year anti-scale guarantee of the boilers domestic hot water heat exchanger (subject to terms and conditions).
The Greenstar 42CDi has an energy efficiency of 90.2% awarding it with a SEDBUK 'A' rating the highest official energy efficiency rating in the UK. This high energy efficiency is due to the boilers condensing capabilities whereby the boiler is able to reclaim latent heat from the flue gases before the gases escape into the atmosphere helping to reduce fuel consumption resulting in lower annual gas bills and reduced carbon emissions. As well as these excellent energy efficiency ratings the 42CDi has also been awarded the WHICH? Best Buy accreditation in September 2011 offering peace of mind to consumers.