Manufacturer Name: Danfoss Product Number: 018F0091 OEM Part Number: 018F0091 Product Description: Bluemagnettesterfordanfossvlvs Weight:0.28lbs/127.01g The Danfoss 018F0091 Permanent Magnetic Coil Solenoid Valve Tester is a specialized device used to test solenoid valves in the HVAC system. The blue coil tester is composed of magnetic steel, with the volume at 0.171 liters and... https://www.partshnc.com/bluemagnettesterfordanfossvlvs