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The replacement of Fleck's 8500/TwinFlo 100E Control Valve with the 9100 Twin Tank Control Valve will be effective July 6, 2010. The 9100 Control is a high-performing, competitively-priced alternative, with more options and functional capabilities than the 8500 model. Pentair Water will continue to offer Fleck 8500 Control Valve service parts for the next five years to support installed systems in the field. SEE >
Replacement Valve FAQ Article.

Twinflo 100E Service Manual


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Brine Line Flow Control .50 BLFC Button Brine Valve Assembly for 9000 /9400/8500/TwinFlo100 - 60350 By Pass O-Ring Kit  for Plastic Fleck - 60049
.50 gpm BLFC Button used in Fleck Valves to regulate the refill rate during Brine Refill. Brine Valve Assembly used in Fleck 9000, 9100 and also the rare 9400 Valve ( InAqua, or Ultimate II ).
Also used in the Fleck 8500 and TwinFlo 100.
O-ring Kit for the Plastic By Pass Body 60049
KIT INCLUDES the following,
1 ) Tube of Silicone, AP1013501
2 ) O-ring, 13305
2 ) O-ring, 7170288
4 ) O-ring, 17990 ( - 218 )
Total of ( 8 ) o-rings) with one tube of Silicone.
By Pass Tool PN 41891 for Plastic Fleck By Pass Valve 1" Fleck By Pass Valve 3/4" Fleck
By Pass Tool for Plastic Fleck
Usually Ships in 1 to 2 Business Days
Your Price: $5.25
By Pass Valve 1" Fleck
IN STOCK
Your Price: $57.99
By Pass Valve 3/4" Fleck
IN STOCK
Your Price: $52.99
T-handle Tool used to help turn the shut off valves on the Plastic By Pass Body 60049 1" By Pass Valve for Fleck 5600, 2510, and 9000 Valves.
Now stainless steel ( older models were brass ).
3/4" By Pass Valve for Fleck 5600, 2510, and 9000 Valves.
Now stainless steel ( older models were brass ).
By Pass Valve Plastic Fleck - 60049 Cable- Right Angle Meter 2500 and 8500 Cage and Rotor Kit for Fleck 8500 TwinFlo 60147
Cable- Right Angle Meter 2500 and 8500
IN STOCK
Your Price: $19.95
Plastic By Pass Body for Fleck 5600, 2510, and 9000.
Requires an additional YOKE to connect to your plumbing.
Meter Cable for Fleck 2500, and 8500 Econominder.
Length = 10.5 inches
Cage and Rotor Assembly ( complete with orings and seals ) Lower section of the Fleck 8500, which is now called the TwinFlo valve.
Assembly part number 60147
Crank, Transfer for Fleck 8500 TwinFlo 18784 Distributor - Top 1.05 Twist On - MD1203 or 18280 Gear & Cam Assy for Fleck 8500 or TwinFlo 100 PN 19061
OBSOLETE ITEM - Transfer Crank ( PN 18784 ) of the lower piston for the Fleck 8500, which is now called the TwinFlo valve.
As of October 5, 2016, we have NONE left in stock.
1.05 Top Distributor Twist On Style used on Newer Fleck and Autotrol Control Valves.
Old part number 23D1203, new part numbe MD1203.
Replaces Fleck p.n. 18280 collector, top, 1" x .011, gray
Gear and Cam Assembly for the Fleck 8500, which was later called the TwinFlo 100 valve.
Obsolete part.
As of October 12th, 2016 NONE remaining in stock.
Gear & Pin Assy for Fleck 8500 or TwinFlo 100 PN 19062 Geneva Wheel Fleck 9000 - 14896 Injector ProFlo Fleck and Rainsoft 18275, 18274, 18273
Geneva Wheel Fleck 9000 - 14896
IN STOCK
Your Price: $5.00
Fleck 8500 or TwinFlo 100 part 19062 ( Gear and Pin Assembly ).Obsolete part.
As of October 12th, 2016 NONE remaining in stock.
Geneva Wheel used in Fleck 9000, 9100, and 9500 drive assembly. Injector # 1 for Fleck 5000, 8500, Twinflo 100E, Proflo SE, and a few others.
Also used in newer Rainsoft Valves ( as it is based on the Fleck 5000 Valve Body design.
Meter Assembly 3/4" Dual Port, Slip, Electronic 60086-50 Motor - B-17181 is 2 rpm for 8500 and Tectonics Valves Motor 24 Volt 1 RPM Drive Fleck 8500 TwinFlo 18898
Motor 24 Volt 1 RPM Drive Fleck 8500 TwinFlo 18898
Usually Ships in 2 to 3 Weeks
Your Price: $129.00
Meter Assembly 3/4" Dual Port, Slip, Electronic 60086-50 2 rpm 120 volt motor used in Fleck 8500 twin valve and some Tectonics brand valves.
The part # B-17181 can be found on the motor.
Gear is only 1/4" plastic and has 11 teeth.
Motor 24 Volt 1 RPM Drive Fleck 8500 TwinFlo 18898
Special Order Item requires 2 weeks for delivery.
O-ring - Adapter Uniflex Cuno MacClean ORG-234 Oring - Tank Adapter 5000, 2510, 9100 PN 18303 O-ring 15820 used on End Plug, Rotor Fleck 8500 TwinFlo
ORG-234 is Cuno ( MacClean after 2003 ), 3M ( bought out Cuno and MacClean ) O-ring for their proprietary Tank ( UNIFLEX ) and Adapter.
Also, common for many newer ( since 2003 ) MacClean / CUNO Valve body / adapters.
Tank O-ring 18303 used on Fleck 5000, 2510, and 9100 tank adapters O-ring 15820 used on End Plug, Rotor Fleck 8500 TwinFlo
Oring, Quad oring for Shaft, Rotor  Fleck 8500 TwinFlo 14926 Pin, Drive Roller for Fleck 8500 TwinFlo Pinion, Drive, TwinFlo 100 or 8500 PN 18796
Pin, Drive Roller for Fleck 8500 TwinFlo
IN STOCK
Your Price: $15.60
Quad Oring for Shaft of Rotor Drive of the Fleck 8500, which is now called the TwinFlo valve.
Oring ( Quad oring 14926 ).
Pin, Drive Roller for Fleck 8500 TwinFlo, which is now called the TwinFlo valve.
PN 18808
Pinion, Drive, TwinFlo 100 or 8500 part number 18796
Obsolete part. NONE remaining. No longer available.
Piston Rod for Fleck 8500 TwinFlo PN 18779 Screen for Injector ProFlo Fleck and Rainsoft 18271 Seal and Spacer Kit for Fleck 8500 TwinFlo 100 PN 60148
Piston Rod for Fleck 8500 TwinFlo, which is now called the TwinFlo valve.
PN 18779
Screen for Injector ProFlo Fleck and Rainsoft 18271 Seals and Spacers for upper portion of the Fleck 8500, which is now called the TwinFlo 100 valve.
Assembly part number 60148
Seal, Quad o-ring 18874 Seal, Quad o-ring 18875 used on Cage and Rotor Fleck 8500 TwinFlo Seal, Quad o-ring 18876 used on Cage and Rotor Fleck 8500 TwinFlo
Seal, Quad o-ring 18874 Seal, Quad o-ring 18875 used on Cage and Rotor Fleck 8500 TwinFlo Seal, Quad o-ring 18876 used on Cage and Rotor Fleck 8500 TwinFlo
Seal, Quad o-ring 18877 used on Cage and Rotor Fleck 8500 TwinFlo Seals for Cage Fleck 8500 TwinFlo 18874,75,76,77 Shaft, Rotor Drive Fleck 8500 TwinFlo 18776
Seal, Quad o-ring 18877 used on Cage and Rotor Fleck 8500 TwinFlo
Usually Ships in 2 to 3 Weeks
Your Price: $7.50
Seal, Quad o-ring 18877 used on Cage and Rotor Fleck 8500 TwinFlo Seals for Cage Fleck 8500 TwinFlo 18874,18875,18876,18877

Shaft for Rotor Drive of the Fleck 8500, which is now called the TwinFlo valve.
Part number 18776 or 18776-01
Oring ( Quad oring 14926 ) sold separately.

Silicone 1 Gram Tube Lubricant for O-rings Tank Adapter Assembly for Fleck 8500 TwinFlo 19242-02 Transformer, D-TRANS, 24 volt, 60 HZ, AC, 450 ma, includes twin lead wiring.

One gram of food grade silicone for use with o-rings, gaskets and seals.
Enough to lubricate about a dozen or more o-rings and seals.
These tubes come from one of the leading valve manufacturers.

Tank Adapter Assembly for Fleck 8500 TwinFlo 19242-02 for TANK # 2 and tank diameter of 6" - 8" ( complete with distributor and tank o-rings )

* Special Order Item = 2 to 3 week lead before shipping
Transformer, D-TRANS, 24 volt, 60 HZ, AC, 450 ma, includes twin lead wiring.
Transformer Fleck Electronic 24 volt 19674 41475 TRANSFORMER, 24V, 9.6VA, EUROPEAN 50 Hz Turbine Meter Assembly 3/4 Electronic 19797 no clips
Transformer Fleck Electronic 24 volt 50 Hz 41475
Usually Ships in 2 to 3 Weeks
Your Price: $39.95
Transformer Fleck Electronic 24 volt 19674 ( newer PN 44147 ) for Fleck 24v Timer Motors as well as Models SXT and SE.
24 volt 60 hz 400 ma. with wiring.
41475 TRANSFORMER, 24V, 9.6VA, EUROPEAN 50 Hz

**** Special Order Item - Lead time 2 to 3 weeks before shipping ****
3/4" Electronic Turbine Meter Assembly for Fleck Models, such as the 5000SE, 5600SE, 2510SE, 8500SE and all SXT controlled Valves.
Includes orings, but NO clips,or screws.
Turbine Meter Assembly 3/4 Electronic 60626 Valve - 9100 Meter 3/4"  for Twin Resin Tanks Valve - Twinflo 100e Meter 3/4"  ( replaces 8500 valve )
3/4" Electronic Turbine Meter Assembly for Fleck Models, such as the 5000SE, 5600SE, 2510SE, 8500SE and all SXT controlled Valves.
Includes clips, orings and screws.
Wiring cable is part number 19791-01 and is sold separately.
New Fleck 9100 Econominder Softener Valve 120 Volt and Standard Range ( 0 - 2,100 gallon ) Meter. Valve - Twinflo 100e Meter 3/4"  or 8500 valve Econominder Softener Valve is OBSOLETE
Yoke 1" Male Plastic - 18706 Yoke 3/4"  Male Plastic - 1870602
Yoke 1" Male Plastic - 18706
IN STOCK
Your Price: $9.95
Yoke 3/4" Male Plastic - 1870602
IN STOCK
Your Price: $9.95
1" Yoke Male Plastic used instead of metal by pass, or used with plastic by pass. 3/4" Yoke Male Plastic used instead of metal by pass, or used with plastic by pass.
   
 
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