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