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You are here: Home > Autotrol > 155 / 1550-TC
Autotrol 1550-TC is just the way many Autotrol Series 155 Timer Housings are labeled.
It is the Model 155.
This is the same design used for almost 30 years (replaced by the updated 255 Series in late 1996).

( Pictured with old style 36F air check )

Old Style 440 Timer Assembly
Old Style 440i Timer Assembly
Old Style 460 Metered Timer Assembly

155 Valve Body
Old Style Air ( 36F ) Check
155 Valve Body
New Style Air Check
155 Piping Boss
Old Style 155 By Pass

155 Rebuild Kit for Autotrol 155 Valve Body 24NC ( K-5 Less 440iHV Timer Assembly) 255 Upper Valve Module w/Timer Assembly
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Rebuild Kit for Autotrol 155 Valve Body 24NC ( K-5 Less 440iHV Timer Assembly) 255 Upper Valve Module w/Timer Assembly
All the parts that go into the Autotrol 155 Valve Body, plus orings to tank adapter. Autotrol 255 Upper Valve Body Replacement without Timer Assembly.
Includes new style cover, which will require slight modification ( cut a little off ) when used with tank adapters that have the 36F Air Check ( pre-1994 models of 155 ).
Autotrol 255 Upper Valve Module with 460TC Timer Assembly, transformer, camshaft, cover and Oring kit.
Fits all Autotrol 155 and 255 Series Tank Adapters.
This is not the complete valve, just the upper valve body and timer assembly.
440 Replacement Timer Assembly 440i HV w/Cord - Obsolete 440 Timer Case Empty - 1031737 , 420N66 OBSOLETE 460i Timer w/ Transformer
Your Price: $219.95
440 Replacement Timer Assembly 440i HV w/Cord 440 Timer Case Empty - 1031737 , 420N66 460i Timer w/ Transformer
Complete 440i for 120 volt 60 hz installations - Obsolete
No longer manufactured since Summer 2011
440 Timer Case Empty, pn 1031737, old pn 420N66.
OBSOLETE Part, No Longer Available.
Recommend buying new 440iHV Complete Timer Assembly.
Autotrol Electronic Metered Timer Assembly with Transformer for 12 Volt operation from your 120 Volt 60 Hz outlet.
Replacement for NovRam, 460, and 460i Timer Assemblies.
460TC 50 Hz International Timer Assembly 4001249 460TC Replacement Timer Assembly for 440 series 4001086 Adapter Kit - 1" Copper Tubes
Your Price: $110.00
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460TC 50 Hz International Timer Assembly 4001249 460TC Replacement Timer Assembly for 440 series Adapter Kit - 1" Copper Tubes
460TC 50 Hz International Timer Assembly 4001249 Replacement 7 DAY Timer Assembly for 440 series, with 12 volt  50 Hz AC Transformer 460TC Replacement 7 DAY Timer Assembly for 440 series, with 12 volt  60 Hz AC Transformer A Pair of 1" I.D. Copper Tubes, Large nuts, and Gaskets ( part # 54F ).
Used to connect to Autotrol Valves ( like 163, 168, 263, 268 )directly or to any Autotrol By Pass.
Adapter Kit - 1" PVC Tubes - 1040393, 1001614 Adapter Kit - 3/4 inch plastic NPT male tube pair- 1000982, 1001769 Adapter Kit - 3/4" Copper Tubes - 1040385
Your Price: $24.95
Your Price: $21.95
Your Price: $25.00
Adapter Kit - 1" PVC Tubes - 1040393 Adapter Kit - 3/4 inch plastic NPT male tube pair- 1000982, 1001769 Adapter Kit - 3/4" Copper Tubes - 1040385
A Pair of 1" I.D. PVC Tubes, Large nuts, and Gaskets ( part # 54F ).
Used to connect to Autotrol Valves ( like 163, 168, 263, 268 )directly or to any Autotrol By Pass.
Commonly used with Autotrol 155 and 255 By Pass valves.
Alternate part # 1001614
Plastic Male Threaded 3/4" Adapter Kit 1000982 or 1001769
Includes A Pair of 3/4" male NPT Tubes, A Pair of large Black Nuts, and A Pair of Gaskets ( part # 54f ).
Used to connect to Autotrol Valves ( like 163, 168, 263, 268 )directly or to any Autotrol By Pass.
Commonly used with Autotrol 155 and 255 By Pass valves.
3/4" I.D. Copper Adapter Kit Comes with 2 copper tubes, 2 large plastic nuts and 2 gaskets ( # 54F )
Used to connect to Autotrol Valves ( like 163, 168, 263, 268 )directly or to any Autotrol By Pass.
Commonly used with Autotrol 155 and 255 By Pass valves.
Alternate part # 1001606
Adapter Kit - 3/4" PVC Tubes - 1040392 Air Check Assembly Old Style - 36F - OBSOLETE Backwash Control Plug 25F
Your Price: $23.95
Your Price: $9.95
Adapter Kit - 3/4" PVC Tubes - 1040392 Air Check Assembly Old Style - 36F - OBSOLETE Backwash Control Plug 25F
3/4" PVC Adapter Kit 1001613
Includes A Pair of 3/4" PVC Tubes, A Pair of large Black Nuts, and A Pair of Gaskets ( part # 54f ).
Used to connect to Autotrol Valves ( like 163, 168, 263, 268 )directly or to any Autotrol By Pass.
Commonly used with Autotrol 155 and 255 By Pass valves.
Alternate part # 1001613
OBSOLETE PART > Air Check Assembly used on Autotrol 155 prior to 1993.
Assembly threads on to Tank Adapter.
Old PN # 36F - No longer made, nor available from any source.
Backwash Control - Comes with Orings ( 2F and 3F ) installed.
Please select tank diameter.
Note: Your old Back Wash should have a small number on it that matches your resin tank diameter.
Ball for Flow Control Autotrol - Old 4F , New 1030502 Brine Control Assembly 1 to 10 lbs. 1F-10 new PN 1034261 Brine Control Dial 3-19 lbs. 1F-19 or 1034263
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Your Price: $28.95
Your Price: $24.95
Ball for Flow Control Autotrol  - Old  4F , New 1030502 Brine Control Assembly 1 to 10 lbs. 1F-10 new PN 1034261 Brine Control Dial 3-19 lbs. 1F-19 or 1034263
Rubber Ball - Used to regulate flow behind backwash plug and brine control dial.
Old part number 4F, and newer part number 1030502
Brine Control Assembly 1 lb. -10 lbs. range.
Old part # 1F-10.
Newer part # 1032994 or # 1034261.
Comes complete with the 2 orings.
Replacement Brine Control Dial for Autotrol, 3 lbs. - 19 lbs. range.
This is the replacement for both old and new style Brine Controls.
Old part # 1F-19, New part # 1032996 or 1034263
Comes complete with the 2 orings.
By Pass 256 New Style For Autotrol 155 And 255 By Pass Adapter Gasket 54F - 1030541 Bypass Repair Kit - Obsolete
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Your Price: $1.00
By Pass 256 New Style For Autotrol 155 And 255 By Pass Adapter Gasket 54F - 1030541 Bypass Repair Kit - Obsolete
By Pass for the Autotrol 255 valve Gasket (old # 54F or newer # 1030541 ) used for all size Adapter Nuts on Autotrol Adapters used on all versions of the Autotrol By Pass Valves and for direct connects  to older 168 Valves and newer 268 Performa Valves. (101N plus 2 each, 47F,48F,49F,50F )
As the stem shaft is no longer available, this kit is now obsolete.
Please purchase the new style By Pass for your Autotrol 155 or 255 Valve.
Camshaft 155 & 255 part 21F3 or 1031950 or 155C174 Camshaft Bearing - Extended for I Lid Cover Camshaft Bearing part 22F or 1030501
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Camshaft 155 & 255 part 21F3 or 1031950 or 155C174 Camshaft Bearing - Extended for I Lid Cover 1000297 Camshaft Bearing part 22F or 1030501
Camshaft used for Autotrol 155 & 255 water softener control valves.
Newest part # 1031950, Standard One-Piece.
Extended Camshaft Bearing ( 1000297 ) used to hold back end of Camshaft and longer "I" Lid Covers. Camshaft Bearing used to hold back end of Camshaft on most Autotrol Valves.
Camshaft Out Put Connector Autotrol 21E or 1031496 Camshaft Output Connector C-Clip 20E - OBSOLETE Cover Autotrol 155 and 255 - 1032565
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Your Price: $12.50
Camshaft Out Put Connector Autotrol 21E or 1031496 Camshaft Output Connector C-Clip 20E Cover Autotrol 155 and 255 - 1032565
21E Output Connector used to connect to CamShaft on the 440 & 460 Timer Assembly.
Used on all 155, 163, 168, 255 timer assemblies.
Part Number 21E or 1031496.
Steel Snap Ring on Out Put Connector 21E - OBSOLETE Standard Cover used for Autotrol 155 and 255 Valves.
Old PN 20F, New PN 1032565
Face Plate 440 Timer Flapper Valve Disc Set 155 and 168 Series 155A152, 1033013 Gear Tripper Arm Assembly 99F
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Your Price: $39.95
Your Price: $9.50
Face Plate 440 Timer Flapper Valve Disc Set 155 and 168 Series 155A152, 1033013 Gear  Tripper Arm Assembly 99F
440 Timer Face Plate to replace older metal face plate when switching to Empty 440 Timer Case. Flapper Valve Disc Set, # 155A152 for 155, 150, 160, 163, and 168 Series Valves.
Osmonics newer part # 1033013.
Some older manuals have part # 165N109 as the part number for this SET.
99F Tripper Arm and Gear for Autotrol 440 and 440i Timer Assemblies.
Gear - # 7 Black 420A43 - 1031554 Gear - # 8 Black 420A44 - 1030844 Gear - Red or Black Output 440 Timer - 420B52, 1001583
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Gear - # 7 Black 420A43 - 1031554 Gear - # 8 Black 420A44 - 1030844 Gear - Red or Black Output 440 Timer - 420B52, 1001583
Black Drive Gear # 7, 420A43.
This gear drives the Tripper Arm Gear ( 99F ).
Black Drive Gear # 8 .
This Gear Drives the large Red or Black Output Knob Gear.
Red Output Gear for 440 Timer,
Old part number 420B52.
NEW COLOR IS BLACK for this Gear ( new pn 1001583 ).
Identical to older Red version.
Injector Cap 8F-BB Injector Cap 8F-CC Injector Screen Cap 7F or 1032991
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Your Price: $11.95
Injector Cap 8F-BB Injector Cap 8F-CC Injector Screen Cap 7F
"Old Style" Injector Cap. Comes with new oring. Used on all Autotrol valves 155 which were made up until 1996.
And all Autotrol 163,168,and 169 which were made up until 2000.
Newest PN = 1032974
8F-CC Injector Cap with oring ( old 6F ), new part number is 1032975.Was used in older Autotrol 155, 160, 163, 168, and Technetic 1000 Valves.
Very old versions were white and pointed.
Injector Screen and Cap with Oring.
Used in older models 155, 163, and 168.
Injectors For Autotrol Valves - 28F Knob - Black B.P. old 155/168 Knob - White old B.P. 155/168 - OBSOLETE
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Your Price: $2.95
Injectors For Autotrol Valves - 28F Knob - Black B.P.  old 155/168 Knob - White old B.P.  155/168 - OBSOLETE
Injectors For Autotrol Valves w/Orings ( 26F & 27F ) included.
White AA = 1032970
Blue BB = 1032971
Red CC = 1032972
Green DD = 1030272
Black Knob used on old style By Pass for Autotrol 155 and 168 series. OBSOLETE - White Knob ( And only a few BLACK Knobs are left  ),used on older style By Pass for 155 and 168 Autotrol Valves.
Locking Bar For Autotrol 155 & 255 Manual for Autotrol 155 ( 1550-TC ) Meter Turbine 460B32 - 1033057
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Your Price: $14.95
Locking Bar For Autotrol 155 & 255 Manual for Autotrol 155 ( 1550-TC ) Meter Turbine 460B32 - 1033057
Locking Bar For Autotrol 155 & 255 Installation, Operation & Maintenance Manual for the Series 155 ( which is the same as 1550-TC ). It is 16 pages. Copyright 10/1991. Autotrol Turbine used in Valves with Electronic Demand Regeneration Timers.
Used with 460 and 460i and 960 and Technetics 1000.
Newer PN 1033057.
Motor - Timer 115v 98F-1 or 1030846 or 1000376 Motor - Timer 230 volt 50 Hz 98F-2 ( 1030848 ) - OBSOLETE Motor - Timer 24v 98F-3 , 1030850, 420A61 3003139
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Your Price: $49.95
Motor - Timer 115v 98F-1 or 1030846 or 1000376 Motor - Timer 230 volt 50 Hz 98F-2 ( 1030848 ) - OBSOLETE Motor - Timer 24v 98F-3 , 1030850, 420A61
98F-1, 1030846,  1000376, and 420A56, are all part numbers for this 115 V, 60 Hz, 1 RPM Timer motor used in 440 Timer assemblies. OBSOLETE, No longer available. 98F-2, 230 Volt, 50 Hz, 1 RPM Timer motor was used in 440 Timer assemblies in many countries outside of North America.
We only have 12 volt 50 hz motor available, which requires matching transformer.
98F-3, 1030850, 420A61 are all part numbers used for this 24 V, 60 Hz, 1 RPM, CW Timer Motor used in Autotrol 440 Timer Assemblies.
O-ring old Autotrol for Caps PN 6F old 40A014 Oring - Backwash Plug 2F new PN 1010110 Oring - Backwash Plug 3F
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Your Price: $1.00
O-ring old Autotrol for Caps PN 6F Oring - Backwash Plug 2F Oring - Backwash Plug 3F
O-ring old Autotrol for Caps PN 6F.
Was used on older Autotrol 155, 160, 163, 168, and Technetic 1000 Valves.
Large Oring used on Backwash Plug and Brine Control Dial on Autotrol Valves.
Part # 2F or 1010110
Smaller Oring used on Backwash Plug and Brine Control Dial on Autotrol Valves.
Part # 3F or 1010108
Oring - Top of Tank 43F or 1010429 or 1010154 Oring 13/16" 31N Oring 48F By Pass
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Your Price: $1.99
Your Price: $1.00
Oring - Top of Tank 43F or 1010429 Oring 13/16" 31N Oring 48F By Pass
Large Top of Tank Oring.
Between Valve and Tank, old part # 43F.
Newer Autotrol part number is 1010429.
Oring 13/16" 31N
Used in Autotrol 155 and first year ( 1995 ) models of Autotrol 255.
Newer 255 and most 168 models use the 1" version ( AP1010428 ).
48F small oring 1/16 x 3/8 x 1/2 used in old style Autotrol By Pass Valves.
Oring By Pass old 49F or 1010412 Oring By Pass Stem Obsolete Oring Kit Piping Manifold 1040459
Your Price: $1.00
Your Price: $4.50
Oring By Pass old 49F  or 1010412 Oring By Pass Stem Oring Kit  Piping Manifold 1040459
49F Oring used in old style By Pass Autotrol 102N Oring for Older By Pass Stem ( two required ).
No Longer Available.
(2)38F & 39F
( valve body to by pass or piping boss )
Old part number 150A144.
New part number 1040459.
Oring Kit K-7 1001404 Tank Adapter to Valve Body Piping Boss - 3/4" Noryl w/Kit Piping Boss - 3/4" NPT 1040277 steel w/Kit 150A140
Your Price: $7.95
Your Price: $13.95
Your Price: $24.95
Oring Kit K-7 1001404 Tank Adapter to Valve Body Piping Boss - 3/4" Noryl w/Kit Piping Boss - 3/4" NPT 1040277 steel w/Kit 150A140
Valve Body to Tank Adapter O-rings
32F,(4)35F,& 37F
Includes small tube of silicone lubricant
3/4" Noryl Piping Yoke with Orings and Bolts included
Old PN 157A140, New PN 1040279
3/4" NPT Stainless Steel ( use to be Brass ) Piping Yoke with Orings and Bolts included
Old PN 150A140, Newer PN 1040277 or 3023763
NOTE: Drain opening is 3/8" NPT.
Power Cord 110v 90F Retainer for Spring Tripper Assembly 440 Timer part 88F Screw Autotrol Valve 33F - 1006093 - 1234170
Your Price: $5.00
Your Price: $1.00
Your Price: $1.00
Power Cord 110v 90F Retainer for Spring Tripper Assembly 440 Timer part 88F Screw Autotrol Valve 33F - 1006093 - 1234170
90F, 3 wire power cord used on Autotrol 440 Timer Assemblies for 30 years.
Is specially made to connect to Timer ( 98F-1 ) and Autotrol Valves.
Retainer used with Tripper Gear Assembly 440 and 440i Timers.
Commonly called part # 88F in diagrams.
Screw Autotrol Valve 33F - 1006093 - 1234170 used Autotrol 155, 255, 163, 168, and others.
One used to hold Locking Bar on Models 155 and 255.
Same stainless steel self tapping screw used to hold Top Plate to upper valve body ( 11 or 12 depending on model ).
Screw Autotrol Valve 85F - 1006091 Shaft Stem 155 Bypass - Obsolete Silicone 1 Gram Tube Lubricant for O-rings
Your Price: $1.00
Your Price: $1.89
Screw Autotrol Valve 85F - 1006091 used with older 440 Timer Shaft Stem 155 Bypass - Obsolete Silicone 1 Gram Tube Lubricant for O-rings
Screw Autotrol Valve 85F - 1006091 used with older 440 Timer Shaft Stem for old style By Pass used on Autotrol 155 and some old 255 Valves.
This part is no longer available.
Please order the New Style By Pass for your Autotrol 155 or 255 valve.
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.
Six Day Skipper Wheel Skipper Wheel 7 Day 14F-7 1031742 Spring Autotrol Valve
Your Price: $9.50
Your Price: $9.50
Your Price: $1.00
Six Day Skipper Wheel Skipper Wheel 7 Day Spring Autotrol Valve
Six Day Skipper Wheel
Each pin pushed IN will cause valve to regenerate at 2 a.m.
Seven Day Skipper Wheel ( 14F-7 or 1031742 ) used on Autotrol 440 and 440i Timers Spring used since mid 1980's on Autotrol 155, 255, 163, 168, and others.
Spring for Output Gear PN 22E Tank Adapter 31N or 1033064 or 1033784 Timer Assembly 440i 12 Volt 50 Hz Outside U.S.A. Autotrol
Your Price: $1.00
Your Price: $99.00
Spring for Output Gear 440 Timer part 22E Tank Adapter 31N or 1033064 or 1033784 Timer  Assembly  440i 12 Volt 50 Hz Outside U.S.A. Autotrol
Spring used with Output Gear on 440 and 440i Timers.
Commonly called part # 22E in diagrams.

Autotrol Tank Adapter 1033064 ( new 255 series 1033784 ) replaces 31N used on Series 155 models.
Comes with new style air check assembly, top of tank oring and 1.05" distributor oring.
OBSOLETE - Timer Assembly 440i 12 volt 50 Hz AC CW 3W 1 RPM G. E. Osmonics - Autotrol
50 Hertz motor used in many countries outside the U.S.A.( where 60 Hertz is standard - not this 50 Hertz version ).
Transformer sold SEPARATELY.
Timer Locking Pin - 5F , 1031391 Top Plate Autotrol 255 and 400 series 1033067 OBSOLETE Tube Bushing 13/16 x 1.05 part 1041010
Your Price: $1.00
Your Price: $5.00
Timer Locking Pin - 5F , 1031391 Top Plate Autotrol 255 and 440 or 460 series 1033067, includes springs. Tube Bushing 13/16 x 1.05 part 1041010
Timer Locking Flag Pin used to hold timer assembly in place.
Old PN # 5F and Newer PN # 1031391.
Older versions were white, and the new version is black.
Top Plate Autotrol 255 and 440 or 460 series 1033067, includes springs. 13/16" Tube Insert ( 1041010 ) used to allow newer Valves with 1.05" distributor openings to use the older style 13/16" O.D. distributor tubes found in all older Autotrol 155 and some other older Valves.
Insert is placed into the bottom of the Valve opening.
Turbine Assembly Kit 155/255 Video Autotrol 155 and 255 Valves Washer 50F For 156,165 Bypass - OBSOLETE
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Your Price: $29.00
Turbine Assembly Kit 155/255 Video Autotrol  155 and 255 Valves Washer 50F For 156,165 Bypass - OBSOLETE
Meter Adapter used on Autotrol 155 and 255 Valves.
Common Timers used with this assembly are 460NovRam, 460i, and 760,or 762 Logix.
Common repair and maintenance for Autotrol 155 ( 1550-TC ) AND 255 Valve with 440 and 460 Controls is shown on this Video.
Now together on ONE DVD.
50F Washer was used in old style Autotrol By Pass Valves.
This part and the By Pass it was used with are no longer available.