Harvia M3 SS LG FLK Package 16.5 kW Wood-Burning Sauna Stove Kit

• 16.5 kW power output
• Wood as prime energy/fuel
• Recommended room volume 212–459 ft³
• Floor installation location
• Use environment: interior wet area
• Color: black
• Main material: steel
• Stainless steel air-flow spoiler
• Glass door
• Net weight 97.5 lbs (heater)
• Stone amount 66.2 lbs (heater stone compartment)
• Stone size requirement Ø10–15 cm
• Safety distance front (non-combustible materials) 11.81 in
• Safety distance front (combustible materials) 11.81 in
• Safety distance behind (non-combustible materials) 3.94 in
• Safety distance behind (combustible materials) 11.81 in
• Safety distance right side (non-combustible materials) 3.94 in
• Safety distance right side (combustible materials) 11.81 in
• Safety distance left side (non-combustible materials) 3.94 in
• Safety distance left side (combustible materials) 11.81 in
• Safety distance to ceiling 3.94 ft
• Installation opening height 6.56 ft
• Installation opening width 3.28 ft
• Installation opening depth 3.28 ft
• Room minimum height 6.56 ft
• Heater dimensions (W) 15.35 in
• Heater dimensions (D) 17.72 in
• Heater dimensions (H) 27.95 in
• Heater package height 30.12 in
• Heater package width 19.69 in
• Heater package depth 16.34 in
• Heater gross weight 98.3 lbs
• Included: sauna heater
• Included: adjustable legs
• Included: stove door
• Included: ash box
• Included: installation and operation manual
• Included: sauna stones (2 boxes)
• Stone type: olivine diabase
• Stone shape: split-face
• Stone size range 4–6 in (10–15 cm)
• Included: protective bedding
• Protective bedding material: aluminum-zinc coated steel
• Protective bedding color: black
• Protective bedding adjustable feet
• Protective bedding supports sloping-floor installation
• Protective bedding dimensions (W) 17.7 in (450 mm)
• Protective bedding dimensions (D) 26 in (665 mm)
• Protective bedding height range 2.4–3 in (60–75 mm)
• Protective bedding designed to help protect floors
• Included: three-sided protective sheath
• Protective sheath color: black
• Protective sheath reduces safety distance to combustible materials
• Included: 1500 mm chimney kit
• Chimney kit material: stainless steel
• Chimney kit includes utility box with size opening templates
• Chimney kit includes non-insulated smoke pipe
• Chimney kit includes rain cap
• Chimney kit includes rubber rain flange
• Chimney kit includes installation set for rain flange
• Chimney kit includes stainless steel lead-through flange for ceiling
• Chimney kit includes lead-through insulation and protector
• Chimney kit includes installation manual
• Chimney kit CE marking
• Chimney kit mineral wool insulation material
• Chimney kit mounts in vertical position
• Chimney kit extendable
• Chimney kit sootfire resistant
• Chimney kit freeze-thaw resistant
• Chimney kit touch protection not needed if installed in a sauna
• Chimney kit specified to work with wood-heated stoves
• Chimney kit specified to work with smaller fireplaces
• Chimney kit specified to work with iron-stoves
• Included: 1000 mm chimney extension
• Chimney extension material: stainless steel
• Chimney extension innovative design
• Chimney extension prevents movement caused by temperature changes
• Chimney extension can be installed indoors and outdoors
• Chimney extension dimensions (D) 8.6 in (220 mm)
• Chimney extension dimensions (H) 39.3 in (1000 mm)
• Included: large floor kit
• Large floor kit dimensions (L) 78 in
• Large floor kit dimensions (W) 24 in
• Large floor kit dimensions (D) 4 in
• Included: ceiling frame (1)
• Ceiling frame dimensions 33.5 in x 18.5 in x 3.75 in
• Heater item number WKPM3
• Heater EAN 6417659024860

• Package SKU: M3-PKG-SS-LG-FLK
• Heater item number: WKPM3
• Fuel type: Wood
• Power output: 16.5 kW
• Recommended sauna room volume: 212–459 ft³
• Heater installation location: Floor
• Heater material: Steel
• Heater color: Black
• Heater dimensions (W x D x H): 15.35 in x 17.72 in x 27.95 in
• Heater net weight: 97.5 lbs
• Heater stone amount: 66.2 lbs
• Stone size requirement: Ø10–15 cm
• Safety distance (front, combustible materials): 11.81 in
• Safety distance (behind, combustible materials): 11.81 in
• Safety distance (left side, combustible materials): 11.81 in
• Safety distance (right side, combustible materials): 11.81 in
• Safety distance to ceiling: 3.94 ft
• Room minimum height: 6.56 ft
• Protective bedding dimensions (W x D x H): 17.7 in x 26 in x 2.4–3 in
• Chimney extension dimensions (D x H): 8.6 in x 39.3 in
• Large floor kit dimensions (L x W x D): 78 in x 24 in x 4 in
• Ceiling frame dimensions: 33.5 in x 18.5 in x 3.75 in
• Heater EAN: 6417659024860

If you’re planning a wood-fired sauna build and want the major components aligned from the start, Harvia M3 SS LG FLK Package focuses on completeness: a 16.5 kW wood-burning heater matched with stones, floor protection, a clearance-reducing sheath, and a chimney system sized with a kit plus extension. That combination supports more straightforward layout planning for sauna rooms in the 212–459 ft³ range.
Day to day, the Harvia M3 heater is built for a traditional sauna feel, pairing stone mass with a firebox and glass door that brings the warmth and look of a real flame into the sauna experience. The included ash box supports routine cleanup, while the protection and chimney components help you build toward a finished, code-planned installation approach (always follow local requirements and the product manual).
Harvia is positioned around long-term sauna category focus, stating 75 years of experience in the sauna and spa industry and customers in over 90 countries—a fit for buyers who prioritize established product lines and consistent sauna system design across heaters, accessories, and related components.

At InHouse Wellness, we partner with Bathing Brands, the official distributor of Harvia products, to ensure a seamless and reliable delivery experience.

📦 Shipping Details

• Shipping Method: Orders are shipped via Ground or LTL Freight, depending on product size and weight
• Processing Time: Most Harvia products ship within 7–10 business days of order confirmation
• Tracking: You will receive a shipping confirmation email with tracking once your order leaves the warehouse

🏠 Delivery Method

• Curbside Delivery (Standard):
  
  Larger Harvia items (like heaters or control systems) are delivered via freight service with curbside drop-off
• The freight carrier will contact you to schedule a delivery appointment
• Customer is responsible for moving the product to its final location

🔁 Return Policy

• Return Window: Harvia products can be returned within 30 days of purchase if unused and uninstalled
• Return Authorization Required: Email CustomerService@BathingBrands.com to request a Return Authorization (RA) number before returning any item
• Return Shipping:
• If due to damage or distributor error: Bathing Brands covers the return shipping cost
• Standard returns: Customer is responsible for return shipping (insured, using the same method it was delivered)
• Restocking Fee: There is no fixed restocking fee, but a re-boxing fee ($20–$50) may apply if new packaging is needed
• Refund Process: Products are inspected upon return; if undamaged, a refund is issued for the full amount paid, less any applicable re-boxing fees
• If damage is found, you will be advised to file a claim with your carrier

❓ Questions?

Need help with freight quotes, rural delivery coordination, or return instructions?

📧 Contact us at Support@InHouseWellness.com

📱 Or email Bathing Brands directly at CustomerService@BathingBrands.com

Harvia products sold through InHouse Wellness are protected by a limited manufacturer’s warranty covering defects in materials and workmanship when used as intended and installed properly.

✅ Warranty Coverage – Residential Use

• Sauna heaters, steam generators, control units, and heating products: 2 years
• +1 extra year when registered at Harvia.com
• Hot tubs and cold tubs: 2 years
• Saunas (frames, panels, doors, hinges): 2 years
• Covers manufacturing defects only
• Accessories (excluding small consumables): 2 years

🏢 Warranty Coverage – Commercial or Non-Consumer Use

• Electric heaters, steam generators, and control units (excluding wear-and-tear components): 2 years
• Heating elements (including spares): 6 months
• Wood-burning heaters: 6 months
• Hot tubs and cold tubs: 6 months
• Saunas (frames, panels, doors, hinges): 1 year
• Covers manufacturing defects only
• Accessories (excluding small consumables): 1 year
• Spare parts (excluding heating elements): 1 year

❌ Not Covered

• Normal wear and tear, including heating elements, relays, bulbs, stones, and other consumables
• Natural wood aging (cracking, discoloration, shrinkage, pitch)
• Damage from improper installation, misuse, harsh chemicals, or non-intended environments
• Products altered or repaired without Harvia’s written approval
• Products with missing or defaced safety or serial number labels
• Use of non-Harvia parts or accessories

📌 Warranty Conditions

• Warranty starts from the original purchase date
• Applies only to new Harvia products sold through authorized dealers
• Installation must be completed by a licensed professional per Harvia’s instructions
• Products must be used under normal conditions as described in the owner’s manual
• For visible defects, warranty claims must be submitted before installation
• Warranty is void if the product is used outside of its intended residential or commercial classification

📦 Filing a Warranty Claim

• Report defects within a reasonable time frame:
• Within 2 months for residential customers
• Within 14 days for commercial customers
• Submit a written claim with:
• Proof of purchase
• Product serial number (if applicable)
• Description of the issue and use conditions
• Clear photos, especially for visible damage
• Harvia may request the defective item be returned for inspection

⚖️ Legal & Limitations

• Harvia may choose to repair, replace, or offer a price adjustment for defective products
• Harvia is not liable for indirect damages, such as lost profits or project delays
• For non-consumers, Finnish law governs the warranty terms
• Consumers are protected under applicable local consumer laws

📞 Warranty Support

For questions or warranty help, contact:

📧 Support@InHouseWellness.com

Or reach out to Harvia directly at:

Harvia Finland Oy, P.O. Box 12, 40951 Muurame, Finland

When you’re investing in premium wellness equipment, you want more than just a good deal—you want the right partner. Here’s why our customers trust us over anyone else:

• Guaranteed Best Pricing – We work directly with manufacturers, so you never overpay. If you find a lower price, we don’t just match it—we beat it.
• Unbeatable Shipping Times – Even if others claim faster delivery, we win. Your order ships either from our Austin, TX warehouse or straight from the manufacturer—fast, reliable, and trackable.
• White Glove Delivery & Installation – We offer professional delivery, assembly, and installation so your new equipment is set up perfectly from day one.
• U.S.-Based, Real Support – Our team is right here in the USA, ready to help by phone, text, or email—before, during, and long after your purchase.
• Since 2011 – Over a decade of helping health and wellness consumers connect with top brands and the perfect products for their needs.
• Factory Warranties Included – Full manufacturer coverage on every product, plus our help if you ever need to file a claim.
• Exclusive Video & eBook Guides – From maintenance tips to usage tutorials, we give you the knowledge to get the most from your investment.

Bottom line: We don’t just sell equipment—we deliver the fastest shipping, the most reliable support, and the kind of buying experience you’ll tell your friends about.