Wood Fired Spa Heater 16Kw

  • Spiroloc 16kw Wood Fired Hot Tub Pool Heater
  • Spiroloc 16kw Wood Fired Hot Tub Pool Heater

Wood Fired Spa Heater 16Kw

$1,635.00

Hot water anywhere, any time. It’s that simple

  • Stainless Steel construction
  • Easy to install and use
  • 16Kw
  • Efficient burning
  • Includes everything you need

Wood Fired Spa Heater 16Kw

Includes the unit itself, connection kit (2 x 1m length of connection hose, 4 x hose clamps, 2 x skin fittings), lid, 1.2m flue with damper installed, ash tray drawer and spark arrestor.

Shipping to NZ only:
Within New Zealand these can be couriered in two packages directly from the factory to your nearest depot. Prices range from between $130 & $190.
NOTE: We are unable to deliver these to rural or Australian addresses. See our FAQs for more information

Frequently Asked Questions

Can I use this with a water tank that is plastic?

Yes! These are safe to use with plastic and the fittings provided will suit plastic, metal, wood and fibreglass.

Can I install this myself?

Yes! You simply need to drill two holes in the side of the Hot tub using either a hole saw or a drill (to circle out a hole with a series of smaller holes) then you can connect the hoses to your Hot tub / pool.

Are these safe to use?

These units contain the fire itself, you have a water-source nearby (your filled Hot tub / pool) and there is a spark arrestor at the top of the flue to prevent embers from escaping. Provided you are tending to and checking on your fire and are operating it in the intended way, these are safe to use.

Can I over-heat my Hot tub?

Yes. This is a straight-up water heater and if you keep adding fuel to your fire, the water temperature will continue to increase. It is recommended that you do not heat the water above 41 degrees Celsius so you will need to check the water temperature before getting in and stop adding fuel to your fire when you’re nearing the desired safe temperature for you.

Can I remove / uninstall this when I’m away from my home?

Yes! By releasing the hose clips, you can remove the hoses and unit for safe storage or so that you can take it to the bach.

Do you ship these?

Yes but we can only deliver these to your nearest depot and only to NZ metropolitan addresses.

Within New Zealand these can be couriered in two packages directly from the factory to your nearest depot. Prices range from between $130 & $190. NOTE: We are unable to deliver these to rural or Australian addresses. 

Litres of water:
Start temperature (°C)
End temperature (°C)
Heating power
Result:
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Water Heating Calculator

Below are volume guidelines for standard baths, spas and pools.

  • Cast Iron bath: 200L – a perfect match for the 6Kw bath heater
  • Standard spa pool: 1000L – an ideal partner for the 16Kw Spa Heater
  • Hot tub: 1500L – a prime sidekick for the 24Kw Hot tub / pool heater
  • Swimming pool 20000L + a great fit for the 24Kw Hot tub / pool heater

It is important to choose the wood-fired water heater that is appropriate for your volume of water.

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