Exhaust Flapper Valves

Exhaust Flapper Valve - 3" from SIERRA
Heavy duty rubber flapper valve keeps following seas from entering exhaust outlet when moving slowly or stopping.
$25.99

Exhaust Flapper Valve - 5" or 6" from SIERRA
Heavy duty rubber flapper valve keeps following seas from entering exhaust outlet when moving slowly or stopping.
$47.99

Thru Hull Fitting w/Flapper - 4" diameter from CENTEK INDUSTRIES
Easy-to-install fittings include a flapper valve to keep water from seeping into your exhaust outlet. Strong and light-weight. Non-corroding fittings. Made of fiberglass and fire-retardant.
$82.99

Thru Hull Fitting w/Flapper - 3" diameter from CENTEK INDUSTRIES
Easy-to-install fittings include a flapper valve to keep water from seeping into your exhaust outlet. Strong and light-weight. Non-corroding fittings. Made of fiberglass and fire-retardant.
$59.99

Flapper Valve Assembly for Compact II Hand Marine, PHII, and PHEII Toilets, #1228W from RARITAN
FLAPPER VALVE ASSEMBLY.
$31.99

Acetal Thru-Transom Scupper from WEST MARINE
One-way rubber flapper valve and thru-hull fitting. For 1-1/2"ID hose. Overall length: 6-1/4". Installation hole size: 2". Max.
$15.99

Adjustable Thru-Hull Scupper from PERKO
Can cut to fit exact hull thickness. One-way rubber flapper valve. Flange dia: 2-15/16". OD: 1-1/2".
$29.99

Scupper Valve Assembly from PERKO
Scupper valve assembly is molded white plastic with soft black flapper valve. Without tru-hull and mounting hardware . For surface mount applicaions .
$16.99

36" Stabilizer for 30'+ Boat Size from MAGMA PRODUCTS
This proven, hinged wing design operates without noisy flapper valves for quiet anchoring day and night. Sailors can easily suspend the stabilizer from their boat’s boom or spinnaker pole. Powerboaters can deploy it with the optional telescoping, aluminum outrigger. The outrigger includes Dacron support lines, a soft rubber hull pad, and an anodized mounting boot. Stabilizer includes bridle and storage/carry case. Stabilizer measures 36" x 21" when fully open, which creates 756sq.
$239.99

Guzzler 500 Pump Service Kit from GUZZLER
Service kit designed to repair "Guzzler" hand-operated diaphragm pumps includes the diaphragm and flapper valves.
$20.99

T-Hull Scupper 1.5 Inches from PERKO
Thru-Hull Scupper with Recessed Flapper, Molded White Plastic, Soft Black Flapper Valve. Complete with Nut and Mounting Hardware.
$34.99