STALMARK PIONIER 25 kW Solid Fuel Boiler – Automatic Feeding

The STALMARK PIONIER 25 kW is a modern solid fuel boiler with automatic fuel feeding, designed for autonomous and economical heating of residential and commercial buildings. Thanks to its advanced design and automated control system, the boiler ensures stable and efficient fuel combustion with minimal user involvement.

Structural advantages

▪️ Folded and welded steel body – made from certified 6 mm boiler steel, ensuring durability, tightness, and a long service life.
▪️ Mineral wool insulation – reduces heat loss and improves overall energy efficiency.
▪️ Forced air supply system – maintains stable combustion and high efficiency.
▪️ Cast iron deflector – enhances the afterburning of hot gases and ensures even heat distribution, reducing fuel consumption.

Combustion chamber and fuel feeding system

▪️ Cast iron retort burner and emergency grate – allow the use of both pellet fuel and larger solid fractions.
▪️ Automatic screw feeder – provides steady combustion and constant power output without the need for manual loading.
▪️ Ash drawer with separate door – simplifies maintenance and ash removal.

Comfort and safety

▪️ Fuel hopper with automatic feed – enables long operation without refilling. A minimum fuel level of 30% ensures safety and prevents backfire.
▪️ Closed combustion chamber during operation – guarantees safe use.
▪️ Emergency steel grate – allows the boiler to operate even in the event of a power outage.

Smart control

▪️ Electronic controller – manages the feeder, air supply system, CH and DHW pumps, and can be integrated with GSM and ETHERNET modules.
▪️ Compatible with mixing valves, room thermostats, and additional accessories for flexible heating control.
▪️ Precise temperature regulation based on boiler and flue gas readings ensures stable and efficient performance.

✅ STALMARK PIONIER 25 kW is a reliable and economical heating solution for residential spaces up to 250 m². Its robust construction, automatic operation, and high efficiency make it one of the best choices in the segment of solid fuel boilers with automatic feeding systems.