Sauna Heater Replacement Parts — Elements, Sensors & Components

Keep your sauna heater operating safely with genuine replacement parts. We stock heating elements, temperature sensors, high-limit thermostats, contactors, control boards, wiring harnesses, and other components for Harvia, Huum, Scandia, and other major heater brands.

Heating elements are the most commonly replaced component — they typically last 5 to 10 years depending on usage frequency and water quality. If your heater is heating unevenly or not reaching full temperature, a failed element is often the cause. Match your replacement by heater model number to ensure correct wattage, voltage, and physical fit.

How to Choose Heater Parts

Use this collection to compare options by size, material, compatibility, price, and installation requirements. The right choice depends on your space, climate, power access, maintenance expectations, and whether you are building a sauna, cold plunge, steam, shower, or complete backyard wellness setup.

SweatDecks focuses on practical buying support: product fit, delivery planning, warranty coverage, and the small accessories that make a wellness setup easier to use over time.

Questions to Ask Before Ordering

  • Will this product fit the exact sauna, plunge, heater, or steam system you are pairing it with?
  • Do you need electrical work, plumbing, drainage, ventilation, or a level foundation?
  • Are replacement parts, filters, stones, controls, covers, or care products required?
  • What delivery access, warranty terms, and maintenance steps should you understand before purchase?

Compare Before You Buy

When browsing Heater Parts, compare capacity, dimensions, materials, electrical or plumbing requirements, maintenance needs, delivery access, and warranty coverage. For outdoor wellness projects, also consider climate exposure, foundation support, drainage, and how the space will be used week after week.

Helpful Next Steps

Shortlist products by fit and function, then confirm installation requirements, accessories, care supplies, and replacement parts. SweatDecks can help you compare sauna, cold plunge, steam, and backyard wellness options before you order.

Harvia ZSK-778
Bathology Spectrum 076
Vendor:Bathology

Spectrum 076

$94.99
Harvia ZSK-766
Harvia ZSV-330
Vendor:Harvia
Harvia SAA00100
Vendor:Harvia

SAA00100

$99.99
Hotass Saunas HAZSPS-240

HAZSPS-240

$99.00
Kohler 1244289
Vendor:Kohler
Kohler 1244288
Vendor:Kohler
Kohler 1244287
Vendor:Kohler

Element, 7kW

$109.00
Kohler 1244286
Vendor:Kohler

Element, 5kW

$109.00
Harvia ZSK-762
Harvia ZH-104
Hotass Saunas HAZSPS-250

HAZSPS-250

$109.00
Harvia ZSF-940
Bathology Atmospheric 028
Vendor:Bathology

Atmospheric 028

$119.00
Harvia WX319
Hotass Saunas  HAZSKS-778

HAZSKS-778

$119.00
Hotass Saunas HAZSKS-766

HAZSKS-766

$129.00
Harvia WX325
Vendor:Harvia
Hotass Saunas HAZSLS-316

HAZSLS-316

$129.00
Hotass Saunas HAZSPS-255

HAZSPS-255

$129.00
Mr.Steam 104109
Atmospheric 018
Vendor:Bathology

Atmospheric 018

$129.00

Need help choosing?

Our wellness experts can help you find the perfect product. Email us at howdy@sweatdecks.com or call 817-371-0089.

Contact Us