Howell Labs: Home page

Howell Laboratories, Inc.

P. O. Box 389, 188 Harrison Rd., Bridgton Maine 04009 USA
(207) 647-3327 (888) 744-8359 FAX (207) 647-8273 contracts@howelllabs.com

- An Employee-Owned Company -
Certified to ISO 9001:2000

HLI News
New contract: 7600 ECOLCELL Chlorinators for DDG-113 and follow ships.
[More]
New Products
Portable seawater chlorinator: Port-A-Chlor 8600.
[More]

Upgraded medium-pressure air dehydrator, Model 8785, to replace our obsolete Model 7053.
Call now for more information

Customized potable water treatment systems for Iraqi 35m patrol boats ...
... or for your application!
Call now for more information
Around the World
January 2010:
HLI supporting relief efforts in Haiti
At HLI
September 2008: David Douglas joins HLI as Director of Sales, Marine Products.

Parts for Model 6979

NOTE: This list does not include hardware items such as bolts, nuts, washers, and O-rings. The manufacturer uses stainless steel hardware in standard U. S. sizes, and MIL-SPEC O-rings.
Howell Laboratories, Inc. is CAGE 22501.

Technical Manual TM6979-00

Part Description NSN HLI Part No. Quantity per Unit

Recirculation Brominator Module (Main Pump/Brominator Assembly)

Flex Tubing, 1" 6612-01 6-1/2 ft
Flex Tubing, 1/2" 6612-02 4-1/2 ft
Flex Tubing, 1" reinforced 6634-01 17"
Wrench, Cartridge 6985-G501 ref
Piping Schematic Diagram 6747 ref
O-Ring, Inlet and Outlet Unions M83248/2-129 4
O-Ring Retainer, Inlet and Outlet Unions 5365-01-088-3821 3899-05 4
Cartridge Housing Assembly 6572-G501 3
Cover, Cartridge Housing 6558 3
Seal Ring, Cartridge Housing 6552-02 3
Housing, Cartridge Housing 6559-01 3
Cartridge, Bromine 6552-01 3
Hose Barb 6573-01 6
O-Ring, Hose Barb M83248/2/908 6
Pump 6560-01 1
Overhaul Kit, Pump 6560-02 ref
Replacement Impeller, Pump 6560-03 ref
Suction Valve Assembly 6571-G501 1
Overhaul Kit, Solenoid Valve 6561-02 2 ref
Pressure Valve Assembly 6570-G501 1
Overhaul Kit, Solenoid Valve 6561-02 2 ref
Replacement Disc, Check Valve 6196 ref
Header Assembly 6562-G501 1
Overhaul Kit, Solenoid Valve 6577-02 ref
O-Ring, Main Line Union 5330-01-184-7576 M83248/2-125 1
O-Ring Retainer, Main Line Union 5365-01-088-3820 3899-04 1
Orifice Disc, Main Line Union 6564-01 1
O-Ring, Feeder Line Union M83248/2-023 1
O-Ring Retainer, Feeder Line Union 5330-01-387-5382 3899-03 1
Orifice Disc, Feeder Line Union 6564-02 1
Junction Box 6606-G502 1
Thermometer 6557-01 1

Proportioning Brominator Module (Secondary Bromination Assembly)

Cartridge Housing Assembly 6572-G501 1
Cover, Cartridge Housing 6558 1
Seal Ring, Cartridge Housing 6552-02 1
Housing, Cartridge Housing 6559-01 1
Cartridge, Bromine 6552-01 1
Hose Barb 6573-01 2
O-Ring, Hose Barb M83248/2/908 2
Flex Hose 6612-02 as required
Cartridge Wrench 6985-G501 ref
Flow Assembly 6919-G501 1
O-Ring, 3/4" Union 5330-01-184-7576 M83248/2-125 3
O-Ring Retainer, 3/4" Union 5365-01-088-3820 3899-04 3
O-Ring, 1/2" Union M83248/2-023 2
O-Ring Retainer, 1/2" Union 5330-01-387-5382 3899-03 2
Overhaul Kit, Flow Switch 6735-3/9 ref
Overhaul Kit, Solenoid Valve for 6577 2 ref
Replacement Disc, Check Valve 6196 ref

Manifold Assembly

Valve Brazement 6983-G501 2
Adapter (Proportioning Module to Hose) 6984-G501 1
Tee, 1" 6710-03 1
Hose, 1" 6612-01 as required

Electrical System

Electrical Schematic Diagram, Electrical Panel Assembly and Recirculating Brominator Module 6747 ref
Electrical Panel Assembly 6698-G501 1
Motor Starter (Contactor) 6592-01 1
Heater, Motor Starter Overload 6597-01 3
Transformer, Control 6590-02 1
Switch, Toggle 5560-01 1
Indicator Lamp, Green 3907-G504 1
Indicator Lamp, Red 6210-01-280-3356 3907-G503 1
Replacement Lamp Bulb 3907-06 4 ref
Indicator, Start/Stop 6593-G501 1
Time Totalizer 6555-G501 1
Fuse, 5 A 5920-01-277-9506 3966-02 1
Timer, Feed 6556-02 1
Electrical Schematic Diagram, Proportioning Brominator Module 6728 ref
Electrical Box Assembly, Proportioning Brominator Module 6727-G501 1
Fuse, 1 amp 3043-12 2
Relay, Control 5945-00-189-8773 4501 1
Time Totalizer 6555-01 1
Toggle Switch 5560-01 1
Lamp Holder 2385-02 3
Lamp, White 2385-03 2
Lamp, Red 6240-00-435-7940 2385-01 1

Last updated: 10/07/09
Webmaster: Al Friend
© 2002-2009 Howell Laboratories, Inc. All rights reserved.