Go-Cal Replacent Battery Pack Back Catalog number: 811-9917-03 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 401931-750-R SCR-PHIL PAN 4-20 X 3/4" Price on request 800255 Single Variable Flow Kit, 7-10 x 110mm Price on request 801863-171-2301 BDX II Starter Kit, 230V Price on request