Manufacturer Name: Honeywell Product Number: Q5001D1000 OEM Part Number: Q5001D1000 Product Description: Linkage-80/160Lbs 3/4"Lift Weight:6.86lbs/3111.64g The Honeywell Q5001D1000 is a valve linkage designed to connect Modutrol motors to 2-way or 3-way valves, most commonly used with steam and water valves like the V5011 or V5013 in HVAC systems. It acts as a bridge, translati... https://www.partshnc.com/linkage-80160lbs-34lift-2