Resideo TK30PV125NK Boiler Combination Trim Kit 4.4 Gallon 1.25" NPT

The Resideo TK30PV125NK Combination Trim Kit is a multipurpose and strong part that enables successful boiler mounting in HVAC systems. This trim kit has a volume capacity of 4.4 gallons and has been able to provide the expansion and drainage needs of different boiler systems. The threaded connection of 1.25” female NPT ensures a secure connection with existing plumbing with no leakage, and the operation pressure ranging between 12-100 PSI is quite versatile. The trim kit is small yet strong, measuring 11” in diameter and 15.5” in height, thus ideal for home and industrial boilers.