Plan hot water alongside HIVE Wood
The WaterEx is a flue-mounted water/heat exchanger for the specified HIVE Wood installation. It is a component of a water system, not a complete water tank or electric heater accessory.
Built for
HUUM HIVE Wood-Burning Sauna Stove | 13, 17 & 17 LS
The stove family this exchanger is listed against. See the full product and build your package →
What’s included
- Water-heat exchanger
- Installation and operation manual
What it does
HUUM’s description: “A heat exchanger heats water when the sauna is heated. The heat exchanger is made of 0.2 in steel and coated with heat-resistant paint. The heat exchanger has ¾″ male pipes for connecting the heat exchanger to the water tank. The heat exchanger may be placed on the rear edge or on the sides.”
It uses heat the stove is already producing to warm a water supply during the same firing, rather than running a separate water heater.
Fitting it
- For HIVE sauna stoves
- 3/4 in NPT male water tank connection
- Mounts on the stove’s rear edge or on the sides
- 0.2 in steel, coated with heat-resistant paint
Which stove
The catalog lists WaterEx against the 17 kW HIVE Wood stove and appears under Operating Accessories on the HIVE Wood product page. The water tank itself is a separate item.
Specifications
| Model | WaterEx |
|---|---|
| Part number | H3009032 |
| UPC | 4745090279511 |
| Assembled dimensions | 8.5 in x 19.5 in x 2.25 in |
| Water tank connection | 3/4 in NPT male |
| Material | 0.2 in steel, heat-resistant paint |
| Weight | 6.3 lb |
Common questions
How does a sauna stove water heat exchanger connect to a water tank?
The HUUM WaterEx connects to a water tank through 3/4 in NPT male pipes. HUUM: “The heat exchanger has ¾″ male pipes for connecting the heat exchanger to the water tank. The heat exchanger may be placed on the rear edge or on the sides.” The exchanger ships with its installation and operation manual; the water tank is a separate item.
What does a water heat exchanger do on a wood-burning sauna stove?
A water heat exchanger heats water off the stove's own fire, while the sauna is being heated, instead of running a separate water heater. HUUM's WaterEx is made of 0.2 in steel coated with heat-resistant paint and is designed for HIVE sauna stoves.
Where does the HUUM WaterEx mount on the stove?
The HUUM WaterEx may be placed on the rear edge of the stove or on the sides. It measures 8.5 in x 19.5 in x 2.25 in and weighs 6.3 lb, and The catalog lists against the 17 kW HIVE Wood stove.
Choosing the heater too? Start with HUUM HIVE Wood to size the heater and choose the rest of your package.
Questions before you order
Do I need a complete heater package?
For a new sauna, start with the linked heater and choose the required controls, stones and installation accessories there. For an existing installation, buy the exact matching component from this page.
Can you help match the part?
Yes. Call (844) 565-1113 or contact Sauna Marketplace with your model label and the part you need.
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