Resideo TK30 Boiler Trim Kit w/ Check Valve, 1-1/4" NPT Air Eliminator, & 4.4 Gal. Expansion Tank

Honeywell TK Series Combo Boiler Trim kits are a quick and convenient way to purchase the key "boiler trim" used by installers when performing a boiler change out. All Combo Trim Kits with SuperVent include expansion tank and SuperVent high performance air eliminator; selected models also include FM911 combination boiler fill valve / backflow preventer and/or service check valves for in-line servicing of the expansion tank. Includes: TK300-30 Expansion Tank PV125 Automatic Air Vent (1-1/4" NPT) SCV-050 Service Check Valve FM911 1/2" NPT Backflow Preventer