Amtrol 109-15 Boiler System Expansion Tank Fill Valve

The Amtrol 109-15 Boiler System Expansion Tank Fill Valve is an automatic fill valve that ensures your boiler system expansion tank stays properly pressurized. Designed for reliable operation, this valve is used on boiler system expansion tanks and is compatible with Fill-Trol systems to maintain safe, steady heating performance.

Ideal for residential and light commercial heating systems, this Amtrol replacement part provides consistent water feed, minimizes air intrusion, and supports efficient boiler operation. It is built to fit standard expansion tank configurations and works as a trusted component in Fill-Trol setups.

• Automatic fill valve for boiler systems
• Compatible with boiler system expansion tanks and Fill-Trol
• Durable construction for long-lasting use
• Easy installation with standard fittings
• Helps maintain consistent system pressure and reliable hot water supply

Keep your heating system performing at its best with the dependable Amtrol 109-15 Fill Valve. This trusted auto-fill solution helps prevent boiler stress, reduces maintenance calls, and ensures steady hot water delivery across seasons.