STROPUVA S40 40 kW
 | Outdated Product This solid fuel single-circuit boiler can serve as a good solution for heating rooms up to 300 m2 — the net power of the installation is 40 kW. For large areas it is possible to install several boilers in cascade. Open-type combustion chambers, it is recommended to use firewood as an energy source, which, in fact, distinguishes this model from the similar, but more versatile in terms of energy sources, STROPUVA S40 U model. About 80 kg can be loaded into the firebox at a time, which in total, on average, provides 31 hours of burning. The manufacturer speaks of an efficiency of 91.6% — a fairly high figure for a solution of this type. |
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STROPUVA S40 40 kW
Energy source:firewood
Mount:floor, single-circuit
Boiler power:40 kW, area ~ 300 m²
Combustion chamber:open, flue 200 mm
This solid fuel single-circuit boiler can serve as a good solution for heating rooms up to 300 m2 — the net power of the installation is 40 kW. For large areas it is possible to install several boilers in cascade. Open-type combustion chambers, it is recommended to use firewood as an energy source, which, in fact, distinguishes this model from the similar, but more versatile in terms of energy sources, STROPUVA S40 U model. About 80 kg can be loaded into the firebox at a time, which in total, on average, provides 31 hours of burning. The manufacturer speaks of an efficiency of 91.6% — a fairly high figure for a solution of this type.
All specifications
Specifications S40
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog STROPUVA 2025 - new arrivals, bestsellers, and the most relevant models STROPUVA.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog STROPUVA 2025 - new arrivals, bestsellers, and the most relevant models STROPUVA.
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If anyone needs a very long burning, then this boiler is perfect. But it still requires attention and frequent cleaning. You can take long breaks between loads, because once you fill the combustion chamber with firewood, you can not worry about the boiler for a day. A very original wood combustion technology with the so-called “upper combustion”. There are no problems in the event of a power outage, because everything that is regulated and adjusted in the boiler works on a mechanical principle and does not require power supply. The boiler is generally controlled in an elementary way - by regulating the draft with the help of a bimetallic device. Firewood in the boiler burns very slowly and this heat is almost completely converted into the heat of the coolant. Due to the low speed and long burning time, an expensive heat accumulator is not needed. Ash accumulates at the very bottom, but often it will not be necessary to clean it. It really depends on the wood. In the worst case, you will have to tinker once a week. Firewood eats different, but it is best to load medium and large chocks of not very resinous species. Coniferous wood with slow burning gives a lot of resinous pollution. The longest operating time and the best calorific value was obtained on “euro firewood”. But they are pricey. It produces a lot of soot and tar. It is necessary to thoroughly clean every 40-50 days, otherwise problems with draft in the chimney begin. And the devil pulled me to make a meter horizontal section in it. The boiler burns for a long time, but it does not reach the declared 30 hours. I got 25-26 hours maximum There is an extra air leak at the bottom of the boiler. I suspect that the installers messed up, in vain the company service did not call. use STROPUVA S20 month or more |
2. This boiler needs to be bought with brains. Or install them additionally. Requires a minimum number of approaches. Everyone who writes that it burns for more than 20 hours quietly. They scratch, I think, for one of two reasons: 1. Ordered review. 2. They don’t want to look like SUCKERS. What led to very good advertising. The boiler burns in quiet mode for no more than 12 hours. use STROPUVA S10 month or more i recommend it don't buy |
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Additional features boiler STROPUVA S40:
- Loading opening dimensions — 280x240 mm
- The volume of the firebox is 500 L (80 kg of firewood can fit)
- Boiler operation at one load — 31 hours
- Model S40 — energy source: firewood, wood waste
- Model S40 U(station wagon) — energy source: firewood, wood waste, coal, sawdust and peat briquettes
We recommend
electricity, power 9 kW, area ~ 72 m², wall, single-circuit, heating: up to 72 m², warm floor mode, connection: 220H