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We want you to feel great about your purchase for decades. That’s why we also offer free shipping on sauna accessories for life with the purchase of any sauna or sauna heater on Sauna Marketplace.

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Specs
Assembled Dimensions14″W (360 mm) x 14″D (360 mm) x 35.8″H (910 mm)
Depth14.2″ (36 cm) in
Product Weight24 lbs
FeaturesBlack steel, Heats water quickly, New tap solution, Tap can be fixed to a wall or bench, Stones cover the front of the tank, 25 liter water tank capacity, 33 pound stone capacity when using 2″ to 4″ (5-10 cm) split-face sauna stones, Dimensions: 14.2″W (36 cm) x 14.2″D (36 cm) x 35.8″H (91 cm), Limited 2-year warranty (consumer use) and limited 1-year warranty (commercial use)
ModelWP250LD
Model NumberWP250LD
SKU / Part NumberWP250LD
ColorBlack
Included ComponentsWater Heater, Installation & Operation Manual
Installation ManualInstallation Manuals
Water Capacity25 litres
Stone SpaceAbout 15 kg (33 lb) of 5–10 cm angular split-face stones; peridotite, olivine-dolerite and olivine are suitable. Stones sold separately
Dimensions360 x 360 x 910 mm (14 x 14 x 35.8 in)
Smoke Outlet115 mm
Weight24 lb
MaterialBlack steel
Safety Distances500 mm with an uncovered smoke pipe; 250 mm using the radiation protection supplied with the package
Faucet MountingThree methods — wooden wall with the wall mounting clamp, under a wooden part with the faucet fastener, or through wood up to 28 mm thick via a 25 mm hole
Water Quality LimitsSalt-free household water — humus <12 mg/l, iron <0.2 mg/l, calcium <100 mg/l, manganese 0.05 mg/l
Warranty2 years, family use; 1 year, non-consumer or commercial use
GTIN/UPC6417659019316
Includes

What Is Included

All configurations

Included with purchase

Water heater, installation & operation manual.

Package contents and sold-separately requirements can vary by selection; use the row for the exact configuration chosen above.

How It Fits

How This Product Fits the System

What it is used for

A heater-system accessory for the application named in this listing. Match the exact model, part number, dimensions, and installation instructions; its presence in the same brand family is not proof of fit.

What to plan

  • Start with the exact heater, chimney, or control model—not brand alone—then confirm the accessory part number and configuration.
  • A vendor suggestion is optional merchandising guidance; it is not the same as a required component or an exact fit approval.
  • Replacement and installation parts must follow the current system manual, clearances, and local code.

Optional accessories

These are vendor suggestions. A suggestion is not proof of fit or a requirement.

Products that use this item

These products name this item as required, optional, or part of their heater package.

Verified model-specific facts are kept in Technical Specifications, while current manuals and support files are kept in Manuals & Documents. If an exact source does not resolve a value or relationship, this page leaves it open instead of borrowing from a neighboring model.

Attachments
Gallery

Harvia WP250LD Legend Pipe-Mounted Water Heater | 25 L with Stone Face

A 6.6 gal water heater with the smoke pipe running through the tank, and a stone space on the front holding about 33.1 lb of 2–4 in split-face stones. Harvia’s manual gives 19.7 in minimum safety distance for an uncovered pipe and 9.9 in when the radiation protection supplied in the package is used. 14.2 x 14.2 x 35.9 in, 24 lb. Sauna stones sold separately.

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$989.00

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Built for these

What’s included

  • WP250LD water heater tank with stone space
  • Black radiation protection H=15, Harvia: “radiation protection which comes with the package”
  • Installation and operation manual

The WP250LD does two things a plain tank cannot. The smoke pipe passes through the tank and functions as a wall of it, so flue gas heats 6.6 gal of wash water on its way to the chimney. And the front of the tank carries a stone space: Harvia’s manual says to “pile sauna stones (about 33.1 lb) to the stone space of the waterheater”, with stones 2–4 in in diameter and “solely angular split-face sauna stones that are intended for use in a heater”. Harvia names peridotite, olivine-dolerite and olivine as suitable, and asks you to wash the dust off before piling them.

Harvia is precise about what those stones do: “Stones in the water heater stone space do not heat up as hot as stones in the heater. Throw water on them and you can enjoy a softer sauna experience.”

Numbers worth knowing before you plan the room

  • Uncovered smoke pipe: minimum safety distance 19.7 in.
  • Using the black radiation protection H=15 that comes with the package: 9.9 in.
  • Smoke outlet 4.6 in; overall height 35.9 in.
  • Water capacity 6.6 gal, filled with salt-free household water, step 12 of the manual: “Fill water heater with water. Best way is to use a hose or a watering can. Water capacity is 6.6 gal.”
  • Water reaches boiling. The manual’s instruction is direct: do not let a person who does not understand the danger use the faucet. The faucet and hose heat up too.
  • Water quality limits: humus under 12 mg/l, iron under 0.2 mg/l, calcium under 100 mg/l, manganese 0.05 mg/l.

The faucet

Harvia gives three ways to mount it: to a wooden wall with the wall mounting clamp, under a wooden part with the faucet fastener, or through a sauna wall or bench into an adjacent room, drill a 1 in hole through wood up to 1.2 in thick, push the faucet through, then measure the hose and cut it to length. Harvia asks you to fix the hot water warning mark somewhere visible. It is described as the “new tap solution, tap can be fixed to a wall or bench”.

Specifications

Spec Value
Water capacity 6.6 gal
Stone space About 33 lb of 5–4 in split-face stones, sold separately
Dimensions (W x D x H) 14.2 x 14.2 x 35.9 in (14 x 14 x 35.8 in)
Smoke outlet 4.6 in through the tank
Weight 24 lb
Material / finish Black steel
Safety distance, uncovered smoke pipe 19.7 in
Safety distance with the supplied radiation protection 9.9 in
Warranty 2 years family use; 1 year commercial use
GTIN / UPC 6417659019316

Common questions

Does the WP250LD come with sauna stones, or do I order those separately?

Sauna stones are not included with the Harvia WP250LD and are ordered separately, Harvia's own product description ends “Sauna stones sold separately.” The stone space on the front of the tank takes about 33 lb of stones 2–4 in in diameter, and Harvia's manual asks for “solely angular split-face sauna stones that are intended for use in a heater”, naming peridotite, olivine-dolerite and olivine as suitable types. Wash the dust off before piling them, pile them so they cannot fall off the sides, and do not collect stones from nature.

Often bought with the Harvia Legend 240 GreenFlame

What customers building this room most often add alongside it.

Best Price and Service Guarantee

Sauna Marketplace offers legendary customer service and support. Odds are you landed here from a referral — because we don’t advertise.

That doesn’t mean you should have to pay more. We always honor the lowest prices allowed by our manufacturers. If you find a lower advertised price from an authorized dealer, send us a screenshot and we’ll match it.

We want you to feel great about your purchase for decades. That’s why we also offer free shipping on sauna accessories for life with the purchase of any sauna or sauna heater on Sauna Marketplace.

Shop Saunas | Shop Sauna Heaters

Specs
Assembled Dimensions14″W (360 mm) x 14″D (360 mm) x 35.8″H (910 mm)
Depth14.2″ (36 cm) in
Product Weight24 lbs
FeaturesBlack steel, Heats water quickly, New tap solution, Tap can be fixed to a wall or bench, Stones cover the front of the tank, 25 liter water tank capacity, 33 pound stone capacity when using 2″ to 4″ (5-10 cm) split-face sauna stones, Dimensions: 14.2″W (36 cm) x 14.2″D (36 cm) x 35.8″H (91 cm), Limited 2-year warranty (consumer use) and limited 1-year warranty (commercial use)
ModelWP250LD
Model NumberWP250LD
SKU / Part NumberWP250LD
ColorBlack
Included ComponentsWater Heater, Installation & Operation Manual
Installation ManualInstallation Manuals
Water Capacity25 litres
Stone SpaceAbout 15 kg (33 lb) of 5–10 cm angular split-face stones; peridotite, olivine-dolerite and olivine are suitable. Stones sold separately
Dimensions360 x 360 x 910 mm (14 x 14 x 35.8 in)
Smoke Outlet115 mm
Weight24 lb
MaterialBlack steel
Safety Distances500 mm with an uncovered smoke pipe; 250 mm using the radiation protection supplied with the package
Faucet MountingThree methods — wooden wall with the wall mounting clamp, under a wooden part with the faucet fastener, or through wood up to 28 mm thick via a 25 mm hole
Water Quality LimitsSalt-free household water — humus <12 mg/l, iron <0.2 mg/l, calcium <100 mg/l, manganese 0.05 mg/l
Warranty2 years, family use; 1 year, non-consumer or commercial use
GTIN/UPC6417659019316
Includes

What Is Included

All configurations

Included with purchase

Water heater, installation & operation manual.

Package contents and sold-separately requirements can vary by selection; use the row for the exact configuration chosen above.

How It Fits

How This Product Fits the System

What it is used for

A heater-system accessory for the application named in this listing. Match the exact model, part number, dimensions, and installation instructions; its presence in the same brand family is not proof of fit.

What to plan

  • Start with the exact heater, chimney, or control model—not brand alone—then confirm the accessory part number and configuration.
  • A vendor suggestion is optional merchandising guidance; it is not the same as a required component or an exact fit approval.
  • Replacement and installation parts must follow the current system manual, clearances, and local code.

Optional accessories

These are vendor suggestions. A suggestion is not proof of fit or a requirement.

Products that use this item

These products name this item as required, optional, or part of their heater package.

Verified model-specific facts are kept in Technical Specifications, while current manuals and support files are kept in Manuals & Documents. If an exact source does not resolve a value or relationship, this page leaves it open instead of borrowing from a neighboring model.

Attachments
Gallery

PLAN THE WHOLE SAUNA

The room and heater still have to work as one system.

Start with the room dimensions, then account for glass, masonry, insulation, ceiling height, required clearances, and available electrical service. That is how we move from a product that looks right to a sauna that heats evenly and comfortably.