How we're operating during the COVID-19 pandemic

Find out more How we’re operating during COVID-19
  • Get the best quotes, fast!
  • Over 5,000 engineers across the UK
  • Gas Safe registered engineers

Need a New Boiler?

Get FREE no-obligation quotes now!

  • No delays! Get quotes today
  • Compare quotes & get the best prices
  • Gas Safe & OFTEC registered engineers
 4.7 stars

1,265 reviews

 4.7 stars

1,265 reviews

Mistral Outdoor Sealed System Non-Condensing OD SS1 20kW Oil Boiler

Mistral Outdoor Sealed System Non-Condensing OD SS1 20kW Oil Boiler Boiler
Typical Price (inc VAT)
£1,500
Typical installation Cost (inc VAT)*
£1000 - £1500
Sundries (Filter, Flue, etc)
£300
Total Cost
£2,800 - £3,300

Get a quote to install this boiler

Need a repair instead? Get a repair quote
Make Mistral
Model Outdoor Sealed System Non-Condensing OD SS1 20kW Oil Boiler
Is Condensing Non-Condensing
Efficiency Rating 87%
Band Rating B Rated
LPG Compatible No
Standard Warranty 2 yr. parts - 5 yr. heat exch
Central Heating Max. Output 20kW
Mounting Floor Standing
Flow Rate N/A
Typical Price (inc VAT) £1,500
Typical installation Cost (inc VAT)* £1000 - £1500
Sundries (Filter, Flue, etc) £300
Total Cost £2,800 - £3,300
ERP Rating B Heat

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

Get a quote to install this boiler

Need a repair instead? Get a repair quote
Product Description

The Outdoor Sealed System OD SS1 is a non-condensing unit designed and manufactured by oil boiler specialists, Mistral. This particular model has an output of 20kW which means it is best suited to smaller homes with one bathroom and not such as high demand for heating and hot water. Other outputs are available ranging from 15-41kW and it is also available with condensing technology.

A particular benefit with this boiler is its high efficiency rating of 93% which makes it an A rated model. It is floorstanding and designed to be installed outside your home so is finished in a weather resistant, zinc phosphate coating to give it optimum corrosion protection. It has also been given a green textured finish to help it blend in with its surroundings.

Key features include the choice of 2 or 4 port options, circulating pump, a 12 litre expansion vessel, safety valve, pressure gauge, automatic air vent, front servicing access, a multi directional flue outlet and a pre punched access point which is able to be used in tandem operations. It is compact in size at only 480mm wide to save space in the garden and is protected from the winter weather by a frost stat. This is a System boiler which means it will send hot water to your radiators and a sealed hot water storage cylinder.

Get a quote to install this boiler

Need a repair instead? Get a repair quote

Get a quote to install this boiler

Need a repair instead? Get a repair quote

Need a new boiler?

Get FREE no-obligation quotes now!

Excellent 4.7 out of 5

Find approved boiler engineers
in your area.

Begin your search by entering your postcode below.

Or select your region from the list and start your search