Immergas boiler installation kit with split flue, dirt separator, polyphosphate dispenser and neutralizing cartridgeBoiler installation kit with split flue for Immergas condensing boilers, mud separator, polyphosphate dispenser and neutralizing cartridge This boiler kit includes: n. 1 split flue pipe for Immergas condensing boilers 80 80 in polypropylene n. 1 Blue Kit Basic 3. 3 by Tecnogas including mud separator, polyphosphate dispenser and neutralizing cartridge. SPLIT FLUE EXHAUST KIT 80 80 IN PPR SEPARATE INTAKE AND EXHAUST SYSTEM SPLITTER FOR CONDENSING