The MOCEK OXYPELL® Slim pellet boiler is the smallest model in the series, with the fuel hopper located on top, ideal for small houses and apartments with limited space. Thanks to its slim, compact design, the unit takes up minimal space while offering high efficiency and economical, maintenance-free operation. It is an excellent choice for those who value eco-friendly and low-cost heating.
The MOCEK OXYPELL® Slim boiler is EcoDesign certified and keeps dust emissions below 20 mg/m³, meeting the strict requirements of Class 5. Such clean combustion brings real benefits – the unit qualifies for higher subsidies under the "Clean Air" program, and the A+ energy class confirms its outstanding efficiency.
MOCEK OXYPELL® Slim pellet boilers use a proven top-channel heat exchanger with convection channels in the upper zone of the unit. The refined, robust construction ensures stable and reliable operation and compliance with the most demanding industry standards.
- ✅ Heating area: up to 100 m²*
- ✅ Class: 5 (highest)
- ✅ Fuel: Wood pellets
- ✅ Warranty: 5 years (60 months on boiler tightness, 24 months on electronics)


At the heart of this boiler is the patented OXYPELL pellet burner, responsible for high efficiency and clean combustion. Discover the other models in the shop – OXYPELL series pellet boilers.
*depending on the building's level of thermal insulation














Emanuel J. –
Quiet, elegant, and doesn't take up much space.