The positive-lock spider rotates 360° and the internal delrin bearing cup engages in 10° increments for positive lock when tightening

Order numbers WBCL1209009A Capacity (BTU/h) ** 4

Webasto FCF innovation starts with a more balanced system for noise elimination

forced air

Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange

Marine Hardware - 90° Thru-Hulls Stainless Steel/Plastic, Part No. THMB90-1.125-NB Belt The positive-lock spider rotates 360°These black composite plastic body thru hulls have a stainless steel face and are designed to fit in limited spaces. A B C 1 7 8" 1 1 8" 1 1 8"