Schamottstein Set Defro DS 20 & DS II 25 Caleffi ⭐ Large filling chamber (440

⭐ Large filling chamber (440 dm³) for long intervals between refills

Merkmal Wert Hersteller TECH Controllers Modell EU-81 zPID HG Produkttyp Kesselsteuerung Stromversorgung 230 V ±10 % / 50 Hz Leistungsaufnahme 5 W Umgebungstemperatur 5–50 °C Messgenauigkeit 1 °C Max

The TECH EU-81 zPID is a high-performance heating controller for solid fuel boilers

2x cast red brass double nipple ½"

This valve responds precisely to an opening pressure of 6 bar

Schamottstein Set Defro DS 20 & DS II 25 Caleffi ⭐ Large filling chamber (440Product Overview & Area of Application The Defro DS 20 & DS II 25 fireclay brick set is a matching spare part set for the combustion chamber of the mentioned Defro heating boilers. It is suitable for repair, replacement, and maintenance when existing fireclay bricks are worn, damaged, or need to be replaced as part of boiler maintenance. This item is only available in the shop as a complete set. Selection of variants or individual purchase of single