0 inch pitch diameter

preventing the disc from sticking or freezing

Due to its dimensions and the sensitive nature of the baffle alignment

making it a drop-in replacement for the P499ACS-404C

making it a reliable choice for hot water boilers

Resideo TK30PV100SFM Tank Kit 321702-401 0 inch pitch diameterThe Resideo TK30PV100SFM is a comprehensive boiler trim kit designed for efficient hydronic system installation and boiler change outs. This professional grade package streamlines the setup by integrating key components into a single SKU, ensuring compatibility and reducing field labor. The kit features a TK300 30 expansion tank with a 4. 4 gallon capacity and a butyl EPDM diaphragm, which offers superior air retention compared to standard rubber.