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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

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: 03/19/2008
Webmaster: Al Friend
© 2002-2008 Howell Laboratories, Inc. All rights reserved.