External ThermaTub is suitable for 6 people. So, it is a spacious tub for your ultimate convenience.
What is the difference between integrated and external heater options? The externalwood-fired heater creates extra space in the fiberglass hot tub. Besides that, it hasseveral functionalities:
 
Spacious.
Optimal water consumption.
Easy to clean.

Extras available for this hot tub:
 
Standard Package (5.500 kr):
Fiberglass lid or insulated lid
Entry step.
Heater pipe protection.
2 Drink holders on outside wall (stainless steel).
Insulation with polyurethane foam.
Painting of wooden parts. 
 
Premium Package (11.000 kr):
Underwater LED light.
Hydromassage and air bubble system with 8 jets.
Fiberglass lid or insulated lid
Entry step.
Heater pipe protection.
2 Drink holders on outside wall (stainless steel).
Insulation with polyurethane foam.
Painting of wooden parts.
 
Deluxe Package (17.000 kr):
Underwater LED light.
Exterior LED light stripe.
Hydromassage and air bubble system with 8 jets.
Air bubble system with 12 jets.
Fiberglass lid or insulated lid
Entry step.
Heater pipe protection.
2 Drink holders on outside wall (stainless steel).
Insulation with polyurethane foam.
Painting of wooden parts.
 
Other accessories available:
2 stainless steel bands 1200 kr.
Heater in AISI 316 stainless steel 2000 kr.
Sandfiltersystem with connections 5000 kr.
Upgrade from treated spruce wood to thermowood (walls and stair) 3000 kr.
Upgrade from treated spruce wood to PVC (plastic walls and stair) 3000 kr.