Catalogues Batch-fed boilers (4 MB) Boilers with a fuel feeder (6 MB) Technical documentation for KSW, KSW Plus, KSW Prima, KSW Master, KSX, KSD central heating boilers (471 Кb) Operation and Maintenance Manual for feeder boilers of the KSP Duo, KSR Beta and KSRM Beta Plus series (512 Кb) PPS-type sopd fuel feeder (512 KB) PPSM-type sopd fuel feeder (709 KB) Steel Retort Feeder (PSR) (2.83 MB) Quatro PSQ Feeder Screw (420 KB)