Pipe Sizes and Why They Are So Confusing

Catalina Direct, publishers of the Catalina 22 and Catalina 25 Owner

Engine Heat Exchanger Zinc3/8 thread, 11/16 wrench

Fuel Tank 27 Gallon C-310

Quick Connect 15mm Female Tube x 1/2 Female Thread

Quick Connect 15mm Stem x 1/2 Male Thread

Fuel Tank 36 Gallon C-38

Temperature Sender Universal Diesel 1/4 NPT (Except B Series)

Holding Tank CP-26, C-25 Dinette, C-250, C-27 Dinette

Seacock, 3/4 Female NPSM Marelon

Holding Tank C-25 Trad, C-27 Dinette, C-30, C-36

Thru-Hull Mushroom for 1 or 1-1/4 Seacock

Quick Connect Elbow, 1/2 Female Tube x 1/2 Male Thread

Technical Articles

Pipe Sizes and Why They Are So Confusing

Exhaust Riser C-27 w/A-4, 5411, & M-18 Engines

Fuel Tank Hose Barb Kit 3/8 Hose Barb to 1/8 NPT