3 Qt. Expansion Tank- 5/16 inch Tubing
For use in Aqua-Hot Models
5/16 tubing HH 08e, 08m, 09e, 09m, 450-DE1, DM1
USE - PLE-070-401 (You must add a reducer to reduce from 5/8 barb to 5/16 barb.
3 Quart 5/8": PLE-070-401
Optional Reducer with short 5/8 High temp hose for adapting to Replacement 5/8 overflow Tank. They are in stock PN coming soon.-- The adapter kit is 12.95
5 Quart: PLE-621-800