Welcome to Nordhavn.com - Power Thats Oceans Apart

Plumbing System

Water Tanks

Number and capacity: One (1) tank totaling 600 gallons (2,271.25 liters)

Material: Fiberglass from male mold with FDA approved gel coated interior

Inspection plates: Appropriately positioned and sized for access

Tanks air tested to 4.5 lbs (0.3 bar) per sq. inch

Each tank to have "Wema" level gauge

Each tank to be fitted with sight gauge

Tank baffles to be spaced on 24" (61 cm) centers as shown in design

Exterior of tanks finished in blue gel coat

Tank to comply with ABYC section H-23 for potable water systems for use on boats

Cleanliness: Tank interior surfaces to be thoroughly vacuumed and wiped down prior to final closure

Fuel Tanks

Number and capacity: Four (4) main tanks totaling 4,410 gallons (16,694 liters) with one (1) centerline aluminum “day tank” at 130 gallons (492 liters) which will gravity feed from main tanks in engine room. Two forward tanks will be transferred to main engine room tanks thru the fuel transfer system section G.2.H

FRP construction from male molds using Vinylester resin. To comply with all ABYC codes for diesel fuel tanks. Tanks to be coated with fire retardant gelcoat on outside to comply with ABYC section H -33.20 for fire resistance

Inspection plates appropriately positioned for interior access by average size man. Plates to be fitted with labels that contain all information as stated in ABYC section H -33.16.3. Each internal baffle to have a removable panel to allow access to entire interior of all fuel tanks

Fuel system to include a powder coated aluminum supply reservoir, which feeds by gravity from two engine room fuel tanks. Reservoir to be approximately 130 gallons (492 liters) fitted with a drain valve at the bottom of the reservoir for water and debris purging and with a water sensor – illuminating a light and audible alarm in wheelhouse if excessive water is present. Reservoir fitted with five (5) draw spigots for two (2) main engines, two (2) generators and spares - mounted at lower level of reservoir but above water sensing probe. All returns from mains and generators to be plumbed into reservoir via a return manifold. Sight gauge at front of tank to read fuel level in port and starboard main fuel tanks - one at a time

Single sight gauge provided for checking fuel level of two engine room tanks and used for checking fuel consumption. Two forward fuel tanks use a Wema fuel gauges. Forward tanks are for fuel transfer only to main tanks only

Each tank to be air tested to 4.5 lbs (0.3 bar) per sq. inch

Provide baffles on 24" (61 cm) centers

Transfer manifold and 24 volt DC Oberdorfer gear pump (#OB992Q-10-F18BCT) 3.86 gallons (14.61 liters) per minute fuel pump with timer switch and Racor 1000 fuel filter with 10 micron element which can transfer fuel from one tank to another and scrub fuel while transferring

Transfer polishing system is through an Alfa Laval fuel centrifuge. This can draw in from any fuel tank and return to any tank while boat is under way

System to be built per PAE design

Exterior of tanks finished in red gel coat

Cleanliness: tank interior surfaces to be vacuumed and wiped clean before final closure

Each tank to have two (2) 1-1/2” (3.8 cm) I.D. vent lines

Each tank to have separate 2” (5.08 cm) I.D. fill pipe located a minimum distance of 18” (45.7 cm) from any ventilation openings

All hardware that comes in contact with fuel to be bonded into the 24 volt DC ground system

Fuel Pipe and Hose

Supply lines from engine room tanks to supply reservoir are 1-1/2” (3.8 cm) I.D. with Aeroquip brand fuel hose and swaged brass fittings

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

Fuel lines from supply reservoir to generators to be 1/2” (1.27 cm) I.D. with Aeroquip brand fuel hose and swaged fittings

Vent lines to be Trident fuel certified, reinforced hose 1-1/2” (3.8 cm) I.D.

Water Hoses

Cold water: Hose from water tanks to water pump and to accumulator to be 1" (2.5 cm) diameter reinforced and approved for potable water; Branch lines to be 1/2" (1.27 cm) PVC pipe (blue) Whale brand or equivalent

Hot water: Reinforced 1/2" (2.5 cm) PVC pipe (red) Whale brand or equivalent

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

All hoses used shall meet the requirements for service as set out by ABYC for the system intended

Hot Water Heater System: Per PAE design

Heater: Two Rheem Vanguard Low Boy, 30 gallons (113.56 Liters) with 240 volt AC element for quick recovery. Grainger part #3WA67

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

Grounding wire: #6 gauge green wire

Each thru hull to have a clearly visible tag indicating use

Each thru hull to be easily accessible

Fresh Water System: Per PAE design

Main Pump: Headhunter Mach 5 # M5-115 - 120 volt with pressure regulator and Groco WSA-1000 strainer on pump inlet

Groco # PST5 accumulator tank with pressure gauge

Hose from water tanks to water pumps and to accumulator and supply hose to all toilets to be 1" (2.5 cm) diameter reinforced and approved for potable water

Back up Pump: Shurflo Extreme pump # 5901-1211, 24 volt DC auto pressure system installed as back up to main pump

Filter: US water filter housing with a 5 micron sediment filter installed downstream of fresh water discharge manifold

Pump selection manifolds x two (2): Pump inlet and discharge manifolds made of stainless steel standard pipe. Supply manifold furnished with isolation ball valves from fresh water tank, to each fresh water pump, and from the water maker. Discharge manifold furnished with isolation valves from each pump

Plumbing fixtures

Head sinks - six (6) total: Owner's, day head , guest lowers x two (2), and wheel house Kohler #K2210 43.2 cm x 35.6 cm (17" x 14") oval white

Galley sink: Double stainless steel Kohler #K3355

Head faucets - five (5) total: one (1) in owner's stateroom, three (3) in guest staterroms and one (1) in pilothouse head. Grohe - Kensington 20.124 000 - chrome with lever handles 18.087 000 - chrome

Head faucets - Two (2) total: One (1) each in day head and forward bilge sink - Grohe - Eurodisc 33.413 000 - chrome

Galley faucet - One (1) total: Grohe - Eurostyle 33.890 000 high profile with side spray - chrome

Engine room sink, and aft deck sink: local made stainless steel

Shower fixtures - five (5) total: Grohe Rainshower Rustic unit 27.140 000 - chrome, pressure balance valve trim Kensington 19.268 000 - chrome, rough-in valve 35251

Aft deck sink faucet: Scandvik model #MR2500-10810 folding type

Bilge Pumps: Per PAE design

Electric: Four (4) Par Jabsco34600-0031 120 volt 60 Hz 10.8GPM diaphragm 1" (2.5 cm) diameter ports, with "Ultra Senior" 24 volt auto float switch #UPS-01-24/32. With relay for 120 volt operation - one (1) in each water tight compartment

Manual: One (1) Edson #117AL-200-230-PC

Hydraulic driven emergency pump: One (1) Pacer model #PACSE2BHYC plumbed to all water tight compartments with 2" (5.08 cm) PVC piping. Manifold for emergency pump to be located in easily accessible location. Pump to operate by manually switching on. Per PAE design

Electric driven emergency bilge pump: One (1) Pacer model #DP900C-30W36CT plumbed to the emergency bilge manifold for use as a back up if the hydraulic driven emergency pump fails

High Water Bilge Alarm Panel - Pilot House per PAE design. . High water bilge sense will come from standard Ultra Senior in each bilge compartment. Visual and audio alarm panel in pilot house

Toilets and Holding Tank System: Per PAE drawing

Toilets to operate from the standard pressure water system

All toilets, five (5) total, to be Tecma "Silence Plus" (white) with "two switch " panel 24 volt DC

Water supply to toilets to be fresh water only

Holding Tank: One (1) FRP 200 gallon (757.08 liter) holding tank

Use only PVC pipe or Trident "Odor Shield" #102 sanitation hose

Holding tank overboard pumps: Edson "Bone Dry" #120ELB 20 gallons (75.71 liters) per minute 120 volt AC electric and Edson "Bone Dry" #557BR 30 gallons (113.56 liters) per minute manual pump per drawing

Holding tank vent to use Sealand# 310002 vent filter

Deck fitting for portable evacuation facility

Holding Tank Level Monitor: Sealand 24 volt "Tank Watch" 4 panel and cap with vent, 45" (114.3 cm) probes #600115, including universal flange 3" (7.6 cm) NPT with gasket and stainless steel hardware, 24 volt "Do Not Flush" status panel #700024 and shut down relay #342490 warning system at each toilet

Fresh water outlets on the foredeck, aft deck, upper aft deck and one (1) in engine room using stainless steel "Scandvik" spigots #11204

Gray Water System: Per PAE design

Tank: One (1) FRP 160 gallon (605.67 liter) tank. All sinks, showers, and air conditioning condensate to drain to tank. All drains to have "P" traps or Heppa valves , sloped down-hill run to tank. Exception: laundry and forward guest cabin head drains will be pumped to gray water tank with the "Lancaster" sump-less sump pumps as described in section G.9.A and G.10.A. Tank equipped with electric and manual discharge pumps, level switch for pump starting, and level monitor system

Electric Discharge Pump: Jabsco #JA18690-0000 115 volt AC with auto/manual switching. Pump inlet to draw within 1" (2.5 cm) of the absolute bottom of the tank. Pump to discharge overboard through anti siphon loop

Level Switch: McMaster-Carr model #50195K93, 24 volt to auto start and stop the gray water pump in the Auto mode. In Auto mode, switch to start pump at 2.5 inch (6.4 cm) depth and stop pump at 1 inch (2.5 cm) depth

Level Monitor System: Sealand 24 volt "Tank Watch" 4 panel and cap with vent, 45" (114.3 cm) probes #600115, including universal flange (3-inch NPT) with gasket and stainless steel hardware

Manual back up pump: Edson Model #117AL-200-230-PC


Deck shower - "Scandvik" #10640640 aft deck shower installed on transom per PAE design


Washer/Dryer - Maytag MHWE300VW washer and MEDE300VW drier


Salt water inlets via individual sea strainers

Generators one and two to each have sea strainer mounted in bilge on centerline in engine room

Dual 2" (5.08 cm) diameter sea strainers port and starboard of keel using two (2) Groco #ARG2000 strainers with Monel basket to feed water maker - air con - ice maker - freezers - etc.

Oil Change System

System utilizes a 24 volt Oberdorfer gear pump #OBN993-M-F36-RC 4.8 gallons (18.7 liters) per minute to drain and fill engine lube oil from/to crankcases of main and generator(s) engines. Pump is controlled by a three (3) position switch mounted at pump location. Switch positions to be labeled "ENGINE OIL DRAIN", "OFF", "ENGINE OIL FILL"

Oil change manifold per PAE design. Manifold, pump and control switch to be located in an accessible and comfortable location. Engine side of manifold to include isolation valves for each engine. Pump discharge/fill side to include a hose of suitable length for drawing from and discharging to a locally placed container

All hose used in oil change system to be Aeroquip model #FC234-8 type wire reinforced

Hydraulic drive anchor wash/fire fighting pump: One (1) Pacer model #PACSE2BHYC to 2" (5.08 cm) intake thru-hull and Groco #SA-2000 strainer at bow. Provide "Y" valve to switch from anchor wash to fire fighting system. Fire fighting hose to be "Izerwaren" valve #91.778 , Nozzle #91.718, 100' (30.48 m) fire hose with couplings, stowed in #91.727 container

Beam central vacuum system - Serenity Plus quiet package Model #2775

Serenity plus power team wand kit

Inlet valves - Beam plastic inlet valves with wires in brown

Hose sock - gray

Floor rug combo tool

Saltwater wash down system

Head Hunter "Sting Ray" 120 volt AC pump

Outlets located on aft deck and foredeck

Sea water supply to come from group sea strainer

*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