Product DescriptionThe Amtrol 109-15 Fill-Trol Valve is a reliable component designed for use with Fill-Trol expansion tanks such as models 109-1, 110-2, 111-1, and 112-1. This automatic fill valve ensures optimal performance and longevity in rough plumbing and water heater systems. Designed for Fill-Trol expansion tanks 3/4-16 fine thread size Durable and reliable Product HighlightsThis automatic fill valve is suitable for use with various Fill-Trol expansion tank models. The valve's durable construction ensures a long lifespan, making it an essential part for maintaining your system's efficiency.Product InformationStandard Information Brand: Amtrol MPN: 109-15 Manufacturer: Amtrol UPC: 642031370143 Suitable For Use With: 109-1, 110-2, 111-1, 112-1 Technical Specifications Type: Automatic Model: FT-109-15 Item Name: Fill Valve Included Components: Filltrol Valve Thread Size: 3/4-16 fine Item Weight: 10.4 ounces