Clear Plastic Water Tank Filler with Shut-Off Valve by Camco®. Helps fill your water tank in a fraction of the usual time and eliminate “bubble-back”. Large 5/8″ fill tube allows you to fill your camper, trailer or motorhome water tank at or near full pressure while minimizing line backflow. Quarter-turn pressure-sealed valve allows you to selectively control water flow.
California Residents
WARNING Cancer and Reproductive Harm.
Before You Order
Verify part number 40003 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 40003 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.






