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Boiler stove vs wood burner

Updated: 22 October 2026

You have a fireplace opening and you want the living room warm. The names overlap: wood burner, log burner, back boiler, boiler stove. A dry wood burner puts its heat into that room. A boiler stove still heats the room it stands in, and it also sends hot water onward, so the water circuit has to be connected before the first fire. The [boiler stove comparison](/hub/fireplaces-and-stoves/boiler-stove) stays on six amazon.co.uk listings captured on 19 October 2026. Use the [boiler stove buying guide](/hub/fireplaces-and-stoves/boiler-stove/sub/boiler-stove-buying-guide) for the checks. A qualifying purchase can earn us a commission at no extra cost to you.

You have a fireplace opening and you want the living room warm. The names overlap: wood burner, log burner, back boiler, boiler stove. A dry wood burner puts its heat into that room.

Our top picks

Prity Prity K1 CP W8 water-jacket stove

Best overall

Prity Prity K1 CP W8 water-jacket stove
4.5/10about £560
View offer
Prity Prity FGW15 cooker, 5 kW and 15 kW

Rank 2

Prity Prity FGW15 cooker, 5 kW and 15 kW
7.4/10about £888.02
View offer
Prity Prity S3 W17 back-boiler stove

Best value

Prity Prity S3 W17 back-boiler stove
5.2/10about £801.53
View offer
On this page
  1. 1.Three appliances that get mixed up
  2. 2.What changes when some of the heat goes to water
  3. 3.When to choose a dry wood burner
  4. 4.When to choose a boiler stove

Three appliances that get mixed up

A dry wood burner, sometimes sold as a log burner or a multifuel stove, is a room heater. The firebox warms the body, the glass and the air. There is no water jacket, so there is nothing to plumb and nothing that can boil if you forget a pump. A boiler stove, including a cooker with a back boiler, is the wet version. The body still stands in the room and still gives off heat, and a jacket or back boiler takes part of the fire's heat into water. Forest Research's small-scale heating guide makes the distinction that matters in a house: a stove with a boiler heats the room it stands in, while a batch log boiler is built not to be a living-room fire. If there is no water jacket, back boiler or output to water, you are looking at a room heater.

What changes when some of the heat goes to water

On a dry stove the kilowatt figure is heat for the room. On a boiler stove that headline is often a total, and only part of it warms the room you sit in. Arada's choosing guide says a correctly sized boiler stove gives little heat to the room. That is one maker's range, not a law. In this set the Prity FGW15 states 5 kW nominal to the room and 15 kW nominal to water. The Prity S3 W17 bullet, at £801.53, says 5 kW to the room and 17 kW to the water jacket, and other fields on that page disagree. The water share is not optional once you have bought the wet stove. The Health and Safety Executive warns that a solid-fuel back boiler or wet stove must not be fired without circulating water. You cannot buy the boiler version, enjoy it as a wood burner for a season, and plumb it later.
Prity Prity K1 CP W8 water-jacket stove

Testsieger

Prity Prity K1 CP W8 water-jacket stove
4.5/10about £560
View offer

When to choose a dry wood burner

Choose a dry wood burner when one room is the job and you do not have a heating circuit an installer will take on. You still need a suitable chimney or flue, a carbon monoxide alarm and, in a smoke control area, an exempt appliance or an authorised fuel. You do not need a pump, a cylinder strategy or a link to the gas boiler. The shelf prices here, £560.00 to £888.02, are the appliance only. One radiator is not a workaround.

When to choose a boiler stove

Choose a boiler stove when an installer has named the circuit: what it will feed, whether it is open vented, and what happens if the pump stops. That points you at a stated water output, not the cheapest water-jacket title. The Prity K1 CP W8 is £560.00 and never states a water kilowatt. The Prity FGW15 states 15 kW to water and still puts 5 kW into the room. If there is no circuit, buy a dry wood burner and leave this category. If an installer has named the circuit and you want radiators or a cylinder from the fire, use a boiler stove and do not light it until that circuit is connected.

Common questions

Will a boiler stove heat the room less than a wood burner of the same total kilowatts?
Yes, for the room you sit in. A dry wood burner sends its output into the room. A boiler stove splits output, so a 20 kW wet stove is not a 20 kW room heater. The Prity FGW15 states 5 kW to the room and 15 kW to water. Arada's guide says a correctly sized boiler stove gives little heat to the room. That is a maker's guide, and your installer still matches it to the floor plan.
Can I buy the boiler version and plumb it later?
No. The Health and Safety Executive says not to fire a solid-fuel back boiler or wet stove without circulating water. The jacket heats whether or not you have fitted radiators. An Italian reviewer of the Prity W12 PM returned the stove because the house had no system to connect. Buy the dry stove if the plumbing is only a plan for next year.
Is a back boiler the same as a water jacket?
On these listings the words describe the same job: a water-filled part of the stove that heats water for radiators or a cylinder. Back boiler is the older fireplace phrase. Water jacket is what several Prity titles say. Neither phrase tells you the kilowatts. Read the room figure and the water figure.
What if I only have one room to heat?
Buy a dry wood burner. A boiler stove still heats the room it stands in, and it commits you to a water circuit that must be able to move heat before you light it. One radiator is not a workaround. A reviewer of the Prity FGW15 said a single radiator was not enough and kept the fire low until more were added.
Can a boiler stove replace the gas boiler on its own?
Not as a like-for-like switch. A boiler stove can feed radiators while it is alight, and it stops when the fire stops. Linking it to a gas boiler is a designed job, and it is not automatic on a combi. If the stove is the only heat, you refuel it.

Related pages

Boiler stove radiators

Boiler stove installation

Boiler stove

Best boiler stove: a labelled room and water split

Boiler stove buying guide: the checks before you pay

Sources

Public UK sources used for this comparison. amazon.co.uk prices, stars and review counts were taken from the listings on 19 October 2026.

  1. GOV.UK, Smoke control areas: the rules (retrieved 19 October 2026)
  2. Approved Document J (retrieved 19 October 2026)
  3. HETAS consumer FAQs (retrieved 19 October 2026)
  4. HSE, solid fuel back boiler alert (retrieved 19 October 2026)
  5. Regulation (EU) 2015/1185 Annex II (retrieved 19 October 2026)
  6. Defra Burn Better (retrieved 19 October 2026)
  7. Arada, choosing a boiler stove (retrieved 19 October 2026)
  8. Defra, cooker with boiler exempt list (retrieved 19 October 2026)