MD-HN & MD-HE Water Filters
Part No. 255349 & 255351
Premium quality water filtration created
for use in Marine Applications.
Replaces P/N EV927401
MD-HN Cartridge
P/N 255349 (6 pack)
Replaces P/N EV961004
MD-HE Cartridge
P/N 255351 (6 pack)
Replaces P/N EV962304
BENEFITS
• Reduces chlorine taste and odor, bromine* and other off
tastes and odors that can spoil food and beverages
• Reduces dirt larger than one-half micron in size
• Exclusive 1/2 micron precoat ltration removes >99% of
asbestos bers, and >99.95% of cysts such as
ridium, Giardia, Toxoplasma and Entamoeba
• Inhibits limescale formation* in pipes and tanks of coffee
makers and icemakers, increasing the life of equipment
Cryptospo-
INSTALLATION TIPS
• Choose a mounting location which is suitable to support
the full weight of the system when operating
• Use a 3/8" water line for the MD single head
• Use a 3/4" water line for the MD dual and triple heads
• Do not braze/solder ttings into head
• Never use a saddle valve for connection
• Do not exceed service ow rate (refer to other side)
• Flush filter cartridges by running water to drain at full
flow through the flushing valve for 5 minutes
MD Single Head
P/N 169110 (1 Pack)
Designed for use with
MD-HN & MD-HE lter
cartridges.
MD-HN & MD-HE lter cartridges.
MD Dual Head Assembly*
P/N 169111 (1 Pack)
Replaces P/N EV927402
Designed for use with
MD-HN & MD-HE lter cartridges.
MD Triple Head Assembly*
P/N 169112 (1 Pack)
Replaces P/N EV927403
Designed for use with
OPERATION TIPS
• Change cartridges:
- on a regular 6 month preventative maintenance basis
- when the pressure gauge indicates a pressure less
than 10 psi when the system is operating
Always flush the filter cartridges after changing.
QUICK-CHANGE MD HEADS
• Cartridge heads are extremely durable and have corrosion-resistant exterior nishes to withstand severe marine
environments.
• Each quick-change head or head assembly has its own
built-in water shut-off valve and steel mounting bracket.
• Multiple heads are now molded as one piece to minimize
leak points and improve strength.
* As tested by Everpure
SPECIFICATIONS
Dimensions
Single
Dual**
Triple**
*Height of the MD-HE and MD-HN are approximately 6" less
“H” dimension includes 2
Six-Pack Shipping Weights
MD-HN (6 pk) P/N 255349 Replaces P/N EV961004 11 lbs
MD-HE (6 pk) P/N 255351
Shipping Weight
Single Head 3 lbs (1.4 kg)
Dual Head** 7 lbs (3.2 kg)
Triple Head** 11 lbs (5 kg)
Operating Weight
Single HN 6.25 lbs (2.8 kg)
Single
Inlet Connection
3
⁄8" Female Pipe Thread (single)
3
⁄4" Female Pipe Thread (twin and triple)
Outlet Connection
3
⁄8" Female Pipe Thread (single)
3
⁄4" Female Pipe Thread (twin and triple)
Service Flow Rate
MD-HN Single Head: 0.5 gpm (1.90 L/min)
MD-HE Single Head: 1.5 gpm (5.67 L/min)
Capacity
MD-HN 1,500 gal (5,670 L)
MD-HE 3,000 gal (11,350 L)
Working Pressure
10-125 psi (0.69-8.6 bar), non-shock
Maximum Temperature
35-100°F (1.7-37.8°C)
1
24
⁄2"H* X 33⁄4"W X 4
1
27
⁄2"H* X 19"W X 6"D
1
27
⁄2"H* X 23"W X 6"D
1
⁄2" clearance for cartridge changing
1
⁄2"D
Replaces P/N EV962304 16 lbs
HE 8 lbs (3.6 kg)
19" (HN)**
25" (HE)**
DIMENSIONS
3
3
⁄4"
16" (HN)
22" (HE)
19"
23"
LIMITED WARRANTY OF PHYSICAL QUALITY
If, within eighteen months after manufacture or twelve months after purchase (whichever occurs rst),
any part of Pentair Water Treatment/Plymouth Products manufacture which is returned to its factory,
shipping charges prepaid, is found to be defective in material or workmanship in the judgement of
Pentair Water Treatment/Plymouth Products’ engineers, Pentair Water Treatment/Plymouth Products
will repair or replace such part at no charge, f.o.b., Sheboygan factory. Pentair Water Treatment/Plym
outh Products, however, shall not be liable for damages or delays caused by any defective material or
workmanship, or by failure of any parts due to normal wear and tear. Pentair Water Treatment/Plym
outh Products will not be responsible for products which malfunction due to user neglect or unauthor
ized modication.
NOTE: Some states do not allow limitations on how long an implied warranty lasts, so the above limita
tion may not apply to you. Similarly, some states do not allow the exclusion or limitation of consequen
tial or incidental damages, so the above limitation or exclusion may not apply to you. This warranty
gives you specic legal rights and you may also have other rights which may vary from state to state.
-
19" (HN)**
-
-
-
-
25" (HE)**
** The Dual and Triple Head Assemblies are Not Performance
Tested or Certied by NSF.
Allow 21⁄2" additional height for cartridge change on all
systems.
The MD-HN and MD-HE are Tested and Certied
by NSF International against NSF/ANSI Standard
42 for the reduction of Chlorine, Taste and Odor,
and Particulate Class I. Standard 53 for the
reduction of Asbestos, Cysts, and Turbidity.
Pentair Filtration, Inc.
502 Indiana Avenue - P.O. Box 1047
Sheboygan, Wisconsin 53082-1047
Phone 866.873.7506 Fax 888.203.7361
International Phone 920.457.9435 International Fax 920.457.2417
www.everpure.com
©2006 Pentair Filtration, Inc. 340026 NO06