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Overview
The Worcester Greenstar 25Si is a stylish and unique hot water and central heating boiler preferable to hang on a kitchen wall, ideal for small or medium sized property. The Greenstar 25Si provides central heating output between 7.2kw and hot water at the rate of 10.2liters.They can cut hot water and heating bills by between 15-20% and runs 30% cheaper than an older boiler.
Greenstar 25Si condensing boilers deliver this energy-saving performance by recycling exhaust gases to extract and re-use latent heat.A highly efficient use of energy also significantly reduces carbon dioxide in the atmosphere and utilize your energy.
Pick up only NO DELIVERY - you must make arrangements to pick item up.
Featurers:
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"Keep hot" facility to maintain the temperature of the primary heat cell
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Heatronic III control system - sophisticated boiler management
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SEDBUK(Seasonal Efficiency of Domestic Boilers in the UK) A-rated efficiency - environmentally friendly
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25kW domestic hot water (DHW) output (30kW output also available for this boiler)
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Multi-directional fluing
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Optimising 7-day programmable room thermostat available
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Compact dimensions, space saving and siting flexibility
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Includes wall mounting frame for optional vertical pipework routing- no additional wall spacing frame required,reduce compexity in installation.
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Low NOx and CO2 emissions - environmentally friendly
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2 year** warranty with 10 year** warranty on primary heat exchanger
Specification:
| Title | Value |
|---|---|
| Height (mm) | 710mm (max) |
| Width (mm) | 400mm |
| Depth (mm) | 330mm (max) |
| Weight | 27.1kg |
| DHW flow rate @ 35°C rise | 10.2L/min |
| SEDBUK Value/band | 90.1%/Band A |
| Output to domestic hot water | 7.2 - 25Kw (24,560 - 85,300Btu/hr) |
| Output to central heating | 7.2 - 24kW (24,560 - 82,000Btu/hr) |
| Solar compatible | No |
| Maximum horizontal flue (100mm Ø) | 4,600mm (inc. terminal) |
| Maximum vertical flue (100mm Ø) | 6,400mm (inc. terminal) |
| Maximum horizontal flue (125mm Ø) | 13,000mm (inc terminal) |
| Maximum vertical flue (125mm Ø) | 15,000mm (inc. terminal) |
| Mains cold water inlet | 15mm compression |
| Domestic hot water outlet | 15mm compression |
| Gas connection | 22mm compression |
| Pressure relief valve | 15mm |
| Heating flow and return connections | 22mm compression |
| Condensate connection | 22mm plastic pipe |
| Maximum domestic water inlet pressure | 10bar |
| Minimum domestic water inlet pressure for maximum DHW rate | 1.3bar |
| Minimum domestic water inlet pressure to operate the appliance | 0.2bar |
| Primary water content | 3.9 litres |
| NOx classification | Class 5 |
| Wall mounting jig | Yes |
| Filling loop | Optional |
| Plug-in timers | 1 (optional) |
| Optimising room temperature controller | 1 (optional) |
| Condensing in DHW mode | No |
Product Overview
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Delivery FAQs
Larger pallet couriers will contact you on the day to let you know a rough time for delivery, due to the size and cost, a signature is always required.
We always suggest someone is home to accept the delivery, as missing your delivery may result in a re-delivery fee being charged.
If the courier has left you a calling card you may contact them directly to rearrange delivery for a more convenient time. If you have not received a calling card, we will be able to assist you in re-booking delivery. Please use the live chat function to speak directly to a member of the team, or alternatively email us at info@victorianplumbing.co.uk.
Orders can be updated and modified up until the picking process begins. To amend your order please get in touch via Live Chat or by emailing us at info@victorianplumbing.co.uk.
If you would like to upgrade your delivery or arrange to split your delivery, you can do this via the help centre.
Please note, once your order has begun to be picked at our warehouse, you will not be able to make any further additions.
Yes, please get in touch with the team either via live chat or at info@victorianplumbing.co.uk to arrange a pre-order.
If you are ordering other in-stock items alongside this, please be aware your shipment will be held until all items are ready to be dispatched. If you would like to arrange a split delivery, please let the team know as soon as your order is confirmed.
We can only deliver and accept signatures from the delivery address as per the order.
Larger pallet couriers will contact you on the day to let you know a rough time for delivery, due to the size and cost, a signature is always required. Small parcel couriers may leave these with a neighbour if no one is home to accept delivery and leave an appropriate calling card if so.
We always suggest someone is home to accept the delivery, as missing your delivery may result in a re-delivery fee being charged.
Returns
For further information on our returns process, please check out our Returns Information Page.
International Delivery
Available - delivery costs will be calculated at the checkout.
Please note:
- Out-of-stock items will despatch on a similar timescale once in stock.
- You will be advised of any changes in the expected in-stock date.
- The delivery timescale of an order is dependent on the size of the largest item in the order, relating to the guide above.We strongly advise that you do not book plumbers until your goods have arrived and have been checked, we are not liable for any plumbers costs, consequential loss or compensation in any way.
5
1 customer review
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14th May 2011
Compact and good looking
Olivia from canterbury
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Current Item
Worcester - Combi - Greenstar 25Si
Discontinued