1-1/2" Bronze Check Valve from SEAFIT
For vertical or horizontal use in fuel or water systems to maintain pump prime or prevent backflow to fluid source. The unique design minimizes fluid turbulence and flow restriction.

3/4" Plastic Check Valve from WHALE PUMPS
For use in installations where an in-line check valve is required.

Standard Capacity Boji Water Softener, 5" x 24" from GENOVA PRODUCTS
Softens your water supply, yielding water that tastes fresher, is less corrosive to onboard plumbing and leaves fewer unsightly stains and water spots. Consists of a PVC cylinder containing a special Ion Exchange Resin that attracts hard substances in water (iron, calcium, etc. Complete kit includes the Boji Softener, a prefilter housing with activated carbon filter, 36" hose to connect Boji to prefilter, 3/4" hose fittings to plumb into water supply and molded integral feet.

Exhaust Flapper Valve - 4" from SIERRA
Heavy duty rubber flapper valve keeps following seas from entering exhaust outlet when moving slowly or stopping.

Gen-Sep Water Separator, 2" Diameter, Gas In/Out 2.0", Water Outlet 1.5" from CENTEK INDUSTRIES
Position the water drain from the Gen-Sep just below the water line to eliminate water splash, especially important for nighttime operation. Gen-Sep will remove nearly all of the cooling water from the exhaust. That water can then be drained to a hull fitting just below the waterline, thus eliminating excess noise often created by splashing and pulsating water flow at the exhaust outlet. A slight downward angle is required for both the exhaust outlet and the exhaust gas tube. Dimensions: 10.

Antifreeze, -100 Engine & Water System - Gallon from SEAFIT
West Marine Pure Oceans -100° (-73°C) Marine Antifreeze provides the ultimate in extreme cold weather and corrosion protection for drinking water systems and all engines. Its premium additive package prevents corrosion of aluminum, copper, brass and solder, but will not harm rubber, seals or hose materials. Provides burst protection to -100°F (-73°C) and freeze protection within a range of -58°F to -63°F (-50°C to - 52°C).

TankWatch® 4 Water/Holding Tank Monitor from SEALAND
Reliable micro float switches activate empty, low, mid and full tank levels on the indicator panel. No electrical components contact water or waste. Easy to install using universal flange (sold separately). Includes cap with micro float switches . Indicator panel . Gasket and stainless mounting hardware . Adapts to fit any water or holding tank up to 22" . 45" adjustable probes available by Special Order .

10 Micron Diesel Fuel Filter/Water Separator with Metal Bowl from RACOR-PARKER FILTRAT
Racor’s Aquabloc filter media removes virtually 100% of water and solid contaminants. Filters have die-cast aluminum heads and come in different sizes for diesel engines and any rate of fuel flow. To be used on the suction side of the pump. See-thru bowls allow visual inspection for water; metal bowls are recommended for use in areas of high heat and are required by the US Coast Guard on inboard engines and gensets. Inlets/Outlets: 1/4" NPT female . Bowl Material: See-thru polymer .

Fuel Filter/Water Separator, 15/35gph Max. Flow, 6"H x 3.2"W x 3.2"D, Metal Bowl from RACOR-PARKER FILTRAT
Racor's famous Aquabloc® filter media separates water into the bottom of the drain bowl and ensures virtually 100% removal of water and solid contaminants. Filters come in different sizes for gasoline engines and any rate of fuel flow. Designed for use on the suction side of pump. All filters feature a die-cast aluminum head which is anodized and painted. Standard pipe-to-hose barbs are used for installation. Inlets/Outlets: 1/4" NPT, except 3/8" NPT on 660 series .

Water Circulating Pump - #18-3581 - Chrysler Inbd # 3004886, 3619542, 3619859, 3745985 from SIERRA
Water Pumps The water pump is the heart of your inboard or I/O cooling system. All Sierra pumps are bidirectional and can be installed on reverse rotation engines. The pumps are also powder coated for additional protection. Includes mounting gasket. Pumps include brass bi-directional impellers, brass plugs and fittings, carbon resin seal, all mounting gaskets, stainless steel seal cup and spring, stainless steel back plate (where required), and powder coating for maximum corrosion protection.

Flush-Mount Water Regulator/Inlet from SHURFLO
This combination water regulator, entry screen and check valve with Shurflo’s exclusive diaphragm design provides continuous protection from pressure surges. Pressure will not exceed 50psi. For installation on bulkheads of any thickness. Made of chromed plastic. 4-3/4" x 4-3/4" x 3-3/4".

Portable Cabin Heater from WEST MARINE
Melt away the morning chill! This ultra-quiet heater is perfect for boats, homes and offices. Versatility and simplicity with three heat settings—1500W (5200Btu), 900W (3120Btu) and “energy saver” 600W (2080Btu), which draws just 5A. Adjustable thermostat control keeps you comfortable. Antifreeze setting automatically turns on when temperature drops to 38°F. Overheat protector will not clog with dust or dirt. Draw: 5A–13A. Warranty: Three years.

Small Bronze Ball Valves with Brass Ball, 3/8" NPT from APOLLO
Free-floating, chrome-plated brass ball. NPT threads. Stainlesssteel handle. Note: These are for inline, non-saltwater applications.

Series 250 Exhaust Hose, 2-3/8"ID, 2-3/4"OD, 230psi Burst Pressure from SHIELDS RUBBER
For use in all marine water and wet-exhaust applications. Also for marine wet-exhaust where connection requires great length (greater than 4 x ID) or significant bend. Meets or exceeds standards for certified wet-exhaust hose. Sold by the foot with a maximum continuous length of 10' except where preceded by an asterisk, which indicates a maximum continuous length of 50'. Construction: Black synthetic rubber with wire helix and HD synthetic cord . Temperature Range: –20° to 200° F .

Replacement Handle, Y-Valve Diverter, Long Shaft -M-95 from GUZZLER/BOSWORTH
Simple and compact, with full-port openings that won’t restrict flow. Epoxy-coated aluminum handles and Delrin bodies.