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Plumbing & Ventilation
Nicro's smallest solar vent is just 7"dia. x 1 3/4"H, yet it can move up to 700cu.
ft./hr. of air. Powered by solar during daylight, it is a passive ventilator at night.
Constructed from durable white ABS with UV inhibitors. Vent attaches directly
to the deck without a Nicro deckplate and has a positive shutoff that can be
operated from below. Requires 3 3/4"dia. cutout. Two-year warranty.
NICRO# N20020 ShWt 2
Day/Night Plus Solar Vents
Runs on solar power during the day while charging a small battery to run at night,
allowing 24/7 ventilation of up to 1000cu.ft./hr. Vents easily adjust to fit existing
3" or 4" Nicro vent cutouts. Direct-to-deck mounting affords greater security
and protection against theft. Each includes an insect screen, below-decks
shutoff damper and internal on/off switch. Two blades (exhaust and intake) are
provided with each vent. Install a pair to create efficient cross ventilation.
Stainless steel or plastic
external power (NiMH battery/solar cell)
New, environmentally-friendly NiMH C-Cell battery. Replaces
previous toxic NiCad battery. Fits current Day/Night vents and older
PowerVent 3000 and Day/Night 2000 vents.
NICRO# N20790 ShWt .1
Air Vent 500
This passive (wind-powered) vent moves
600-1000cu.ft./hr. of air with just a 15-knot
breeze. Made of tough, white plastic, the
7"dia. vent screws directly to the deck and
requires Nicro's standard 3" hole, which
allows the use of Nicro trim rings. A locking
shutoff damper is operated from below.
Projects 2" from deck surface.
7"dia. x 1 3/4"H
NICRO# N28810 ShWt .8
Keep rain out and let air circulate through
the cabin. Wind moving over the top of
the vent removes air from your boat at the
rate of 350cu.ft./hr. in a 5-knot breeze. The
design keeps rain out, even while open.
Includes 8" protective white cover.
White plastic or
350cu.ft./hr with 5-knot breeze
2 1/4"H x 7 3/4"dia.
Cabin or Hatch Vent
Designed to fit Lewmar hatches or to be mounted on deck, this vent features a
built-in gasketed bung that makes it 100% watertight. The trim piece is available
for thru-deck installations. Includes mounting screws.
2 1/4"H x 6 3/4"dia.
LEWMA# 361041990 ShWt 1.3
LEWMA# 361042992 ShWt .3
Low-Profile Design shown installed
Ventilate your cabin without
having to open your hatch
Give your boat the continuous ventilation it needs, rain or shine,
whether you're onboard or not. Solar cells power the fans, so they put
no load on your boat's electrical system. They can be configured to
blow stale air out or pull fresh air in, and they don't allow rain water
into the boat. Their unobtrusive, low-profile cowling projects just
2 3/8" above the deck, so they don't snag lines like cowl vents can.
Capacity Cutout Dia.
NICRO # ShWt
3" White Plastic 600cu.ft./hour 3 3/4"
3" Stainless Steel 600cu.ft./hour 3 3/4"
4" White Plastic 1000cu.ft./hour 4 3/4"
4" Stainless Steel 1000cu.ft./hour 4 3/4"
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-2015-2016 Master Catalog
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