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Plumbing System

Water tank:

Number and capacity: One (1) baffled tank totaling 400 gallons (1514 Liters)

FRP construction per plan

Inspection plates: appropriately positioned for access

Each tank air tested to 4 lbs (1.81 kg) per sq. inch

Wema water tank gauge

System built per PAE design

Water tank laid up with FDA approved gel coat on first coat.

Fuel tank:

Number and capacity: Two (2) main tanks totaling 1670 gallons (6321.6 Liters) with one (1) centerline aluminum "Day Tank" at 70 gallons (265 Liters) which will gravity feed from main wing tanks

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 to include an aluminum supply reservoir, which feeds by gravity from both fuel tanks. Top part of supply reservoir to hold approximately two (2) gallons (7.6 Liters) and fitted with a sight gauge with a one (1) gallon (3.8 Liter) range and 10th gallon (.4 Liter) marks for fuel consumption checks (supply lines are turned off and fuel is consumed from reservoir). Bottom part of reservoir to be approximately 68 gallons (257.4 Liters) fitted with a drain off at the bottom of the reservoir for water purging and with a water sensor - illuminating a light in wheelhouse if excessive water is present. Reservoir fitted with four (4) draw spigots for main, generator, wing engine and spare - mounted at lower level of reservoir but above water sensing probe. All returns from main, wing and generator plumbed into reservoir

Sight gauges provided for both fuel tanks and is vented into main vent system for each tank

Each tank to be air tested to 4 pounds (1.81 kg) per sq. inch

Provide baffles on 24" (61 cm) centers

A transfer manifold and Walbro (FBR-16-2) 24 volt fuel pump with timer switch and Racor 900 fuel filter which can transfer fuel from one tank to another and scrub fuel while transferring. Transfer is also used to fill top part of supply reservoir for consumption testing when main fuel tank level drops below the level of the testing part of the reservoir

System to be built per PAE design

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 swaged fittings

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

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

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

Water hoses:

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

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

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

Water heater: Seaward #S1150 or Attwood - 11 gallon (41.6 Liter) for 220 volt and heat exchanger operation

Thru Hulls: Bronze body, stainless steel balls and Teflon seats

Grounding wire: #6 gauge green wire run to 1/8" x 3/4" (3.2 mm x 19 mm) copper strap that runs down both sides of hull.

Each thru hull to have a clearly visible tag indicating its function

Fresh water pressure pump: 120VAC Headhunter Mach 5 x one (1)

Plumbing fixtures:

Head sink: Sea-Land K-2209 oval, color white

Galley sink: double stainless steel corner Sterling model #CMG-804

Head faucets: Grohe model #33413001 KDO

Galley faucets: Grohe model #32999 KDO chrome

Shower fixtures: Grohe chrome #28.421 handle

#28.856 soap tray

#28.666 - 24" (61 cm) shower bar

#28.151 non-metalic hose

#35.253 mixer

Gray Water Tank:

Galley sink, head sinks, shower sumps and washing machine drain to 110 gallon (416.4 Liter) sump tank. Each drain to have an appropriate water trap to control odors. Sump to include Sealand Tank Watch 4 level indicator and a Sealand T24 Waste Pump fitted with an Ultra Jr. pump switch and auto/manual control panel. Whale/Henderson #BP0527 hand operated diaphragm bilge pump to be installed in line with Sealand T24 for manual pumping of gray water tank per PAE design

Bilge pumps: per PAE design

Electric: Par 34600-00 diaphragm with Ultraswitch auto switch

Manual: Edson model #638AL operable from main salon

High water bilge pump Rule 3700 gallons (14,006 Liters) per hour (16A) - mounted in bilge above normal bilge water height including Ultra Sr. pump switch #UPS/01/24 volt and Ultra bilge alarm #AS-201


Tecma Silence Plus #38111 fresh water flush only

Head fitted with a Par #45510-1000 Y valve allowing sewage to be pumped overboard or into holding tank

Holding tank: FRP

Holding tank pump: Sealand T-24, 24 volt plus Whale/Henderson #BP0527 hand operated diaphragm pumps to be installed in-line with each other per PAE design

Holding tank fitted with a deck pump out

Sealand Tank Watch 4 monitoring system

Hoses throughout boat to be Trident brand - where practical

LPG system:

Two (2) Worthington #D200145WCI 20 lb. (9.07 kg) LPG bottles in port side transom locker

Xantex control panel and detection system S-2A and MS-2 sniffer / 24-12 volt converter (CVN 24-12)

Two (2) stage regulator #12301411

Trident 'Pig Tail' hoses x two (2) #1014140120

All necessary pipe fittings and adapters


*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

Last updated: 6/05/14



Nordhavn Fleet