ECO-WOOD SAVER© ST4




DO IT YOURSELF
Up to 30% wood savings
ECO-WOOD SAVER© ST4
THE FLEXIBLE SOLUTION FOR WOOD-BURNING STOVES
Locking mechanism variably adjustable

With draught regulator

Frank-Peter Stachel explains his invention using as an example: HSE-1/ST3
THE HSE SERIES MUST ALWAYS BE INSTALLED FIXED WITH SHAMOTTE STEM or NATURAL CERAMICS !
EUROPE'S WOOD SAVER SET NO.1
The variable combustion chamber Use for retrofitting, Very easy installation
The ECO wood saver ST4 is a variable and extremely space-saving solution for use in small wood-burning stoves, freestanding stoves and parlor stoves. Thanks to its clever design and adaptability, it offers optimum performance even where space is limited.
Variable design and perfect adaptation:
The ST4 is particularly flexible for the following reasons:
Small center section:
The center section is relatively compact and is perfect for use in parlor stoves and freestanding stoves with limited space.
Optional base section:
The base section can be easily removed, allowing the ST4 to be used without a base element. Ideal for very narrow stoves with a narrow width.
Dimensionally accurate depth:
With the base section, the depth of the product is just 19.5 centimetres, making it perfect for use in smaller stoves.
Open base for optimum ash removal:
The base of the ST4 is open at the bottom, which offers several advantages: The ash falls directly into the stove’s existing ash drawer. No additional effort – the ECO wood saver is stable in the frame.
Important:
The ash level regulator must always remain closed during burning. This regulator (often referred to as a grate) is used exclusively for ash removal and must not allow any primary air to pass through. This applies to all models with an adjustable ash level regulator.
Ash removal during the firing process:
Even with small stoves, the ST4 enables convenient ash removal during firing. Thanks to the sophisticated design, the ash can be easily removed without having to interrupt the firing process
Advantages at a glance:
- Variable use: For parlor stoves, small wood-burning stoves and freestanding stoves
- Compact dimensions: Perfect fit with small width and depth (19.5 cm with base section)
- Ash discharge into the existing ash drawer via regulator
- Ash level regulator: Easy ash removal during operation (always keep closed when firing)
- Easy handling: Flexible use with or without base section
- Your ash pan remains in function
The ECO wood saver ST4 is the ideal solution for small fireplaces and parlor stoves. Thanks to its
variable design, compact dimensions and well thought-out functionality, it also fits perfectly into
limited combustion spaces and enables efficient combustion with maximum convenience.
Dimensions:

This is how an insert burns when it has been retrofitted with the HSE series or ST series. A customer film:
Your advantages at a glance
Pollutant reduction
Up to 70% reduction in pollutants thanks to clean combustion; good for the environment and health.
Save firewood
The variable combustion chamber insert for retrofitting increases efficiency: up to approx. 97% combustion, 30% firewood savings. In addition, less wood consumption protects the environment.
Clean & easy to clean
Rustless combustion offers longer embers, only 2-3% residual ash and reduces disposal to every 8-14 days.
5 year guarantee
While other suppliers only offer a 5-year guarantee, Stachel gives you a comprehensive 5-year guarantee because we manufacture our products from high-quality stainless steel!
Compatible
Compatible with many identical fireplace inserts.
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Immerse yourself in the world of our products in our
24-page brochure and find out everything you need to know about how they are installed and how they work – in a compact and easy-to-understand format