Well I have exactly that model and today I found out the water chamber is rusted out and that is why it lost pressure and leaked. Got some use for some years but the quality is disappointing. On top of the Walltherm made their furnaces bigger so the new one won't fit because it's too tall. Will purchase another brand, no choice. Thankfully more compact thermo furnaces exist and hopefully with more quality materials so it doesn't rust. too fast...
Habe die Firma Walltherm mehrfach angeschrieben da ich mich für die Öfen interessierte, Antwort kam keine. Nun hat hat der Wettbewerb zu meiner Zufiredenheit geliefert!