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ash drawer
adjustable between 35 and 60 °C
To ensure heat generation in the event of a malfunction in the pellet operation
The kits contain essential components such as boiler filling and draining valves
wita r stellmotoren sm wr fr constant or fixed value temperature controller Vaillant ash drawerSM WR FR Constant Fixed Value Temperature Controller for Heating and Cooling Systems Areas of application The SM WR FR is suitable for maintaining a high return temperature, controlling underfloor heating systems, and anywhere constant temperatures are required. It operates in both heating and cooling systems and adapts to different hydraulic requirements. Color display and operation The integrated color display shows the base temperatures during
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