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Plumbing System

Water tank:

Number and capacity: Three (3) tanks totaling 220 gallons (832.8 liters)

FRP construction per plan for lower main tank - plastic for two auxiliary tanks

See-through port for viewing water level on lower tank

Lower tank air tested: 4 lbs (1.5 kg) per sq inch

Sight glasses for observing water level on upper tanks

Fuel tank:

Number and capacity: Two (2) tanks totaling 920 gallons (3,482.6 liters)

FRP construction per plan

Inspection plates appropriately positioned for interior access by average size man. Each internal baffle with a removable panel to allow access to entire interior of both fuel tanks

Fuel system includes a supply reservoir which is fed by gravity from both fuel tanks. Supply reservoir holds approximately two (2) gallons (7.6 liters) and is fitted with a sight gauge having one (1) gallon (3.8 liter) range and 10th gallon (.4 liters) marks for fuel consumption checks (supply lines are turned off and fuel is consumed from and returned to reservoir). Reservoir fitted with a bottom drain for water purging and with a water sensor - illuminating a light in wheelhouse if excessive water is present. Reservoir fitted with four (4) supply valves for main, generator, wing engine and spare - mounted below sight gauge but above water level range. All returns from main, wing and generator plumbed into reservoir with valves

Two sight gauges provided to monitor fuel level in both tanks

Each tank air tested to 4 lbs (1.5 kg) per sq. inch

Baffles provided on 24" (61cm) centers

Fuel pipe and hose:

Supply lines from tanks to supply reservoir are 3/4" (1.9 cm) I.D. with Aeroquip brand fuel hose and reusable fittings

Fuel line from supply reservoir is 3/4" (1.9 cm) I.D. with Aeroquip brand fuel hose and reusable fittings

Fuel lines from supply reservoir to optional generator and wing engine are 1/2" (1.27 cm) I.D. with Aeroquip brand fuel hose and reusable fittings

Vent lines are fuel certified, reinforced hose 3/4" (1.9 cm) I.D.

Water hoses:

Cold water: blue 1/2" (1.27 cm) diameter Whale tubing system or equivalent with all Whale fittings

Hot water: red 1/2" (1.27 cm) diameter Whale tubing with all Whale fittings

Sea water hoses: reinforced rubber certified for marine use and provided with double stainless steel clamps below the waterline

Water heater:
Seaward #S1100 (11 gallon) (41.6 liters) for 110 volt and heat exchanger operation

Thru Hulls:
bronze body, chrome balls and teflon seats

Grounding wire: #10 gauge green wire

Each thru hull has a clearly visible tag indicating its function

Fresh water pressure pump:
Flowjet - 04405143

Water selection manifold:
none required

Accumulator tank:
Groco PST 1

Plumbing fixtures:

Head sink: Sealand - white

Galley sink: Double stainless steel brushed - mounted under counter surface

Head faucet: Grohe Eurosmart - chrome

Galley faucet: Grohe Europlus - brushed

Shower fixtures: Grohe Relaxa plus chrome single lever mixer, handle, soap dish,
shower bar, non-metallic hose, union flow control valve

Shower sump pump:
Jabsco #37202-0005

Bilge pumps:

Electric: Jabsco 36600-000 diaphragm with Jabsco auto switch

Manual: Edson model #638AL operable from main salon


Groco K manual

Head fitted with a Par #45510-0000 Y valve allowing sewage to be pumped overboard or into holding tank

Holding tank: FRP

Holding tank pump: Whale hand operated diaphragm type pump

Holding tank fitted with a deck pump out fixture

*Specifications subject to change without notice and at the discretion of designers and builders.
**Dimensions are subject to change with Buyer’s selected options and personal effects which may add to displacement and increase both draft and waterline length




Nordhavn Fleet