I'm posting images of timers and references and links to the products. Some are other members images of this forum.
ATC 422A-100-F10X TIMER
The 422A is an economical analog Flip-flop repeat cycle timer with an 8-pin (octal) base. (6) Timing Ranges 1 or 10 Seconds, Minutes or Hours or 5 or 50 Seconds, Minutes or Hours depending on the model chosen. The 422 Time Delay Relay has a universal voltage power supply.
http://search.ebay.com/search/search...=atc timer 422
ZYT16G-3a multi channel automatic program/programmable timer switch 220V
G-Systems Water Timer
The Irrigation timer is used to control a pump to irrigate crops. This timer is ideal for scheduled Ebb & Flow systems and normal irrigation droplets or NFT systems. The pulse time and the interval time can be set separately for day and night irrigation. Depending on the model, the day/night switch on a photocell, or the power input is controlled.
SENTINEL MASTER DIGITAL TIMER (MDT-1)
100% digital recycling timer that combines 2 main timing functions in one convenient package. Control lighting schedules with 24-hour clock. The MDT-1 has an integrated digital recycling timer that can operate daytime, nighttime or 24-hours per day. Digital recycling on & off times can be programmed in hours, minutes and seconds. The Hi-Temp shutdown featurea allows the user to set a maximum temperature. In the event of overheating, the MDT-1 will shut off the lighting. If overheating even happens, the unit logs the max temperature and the time it occured. Hot start prevention monitors the incoming power and will disable the HID lights in the event of a power failure. After a user selectable delay, the HID lamps are permitted to re-start.
http://search.ebay.com/search/search... DIGITAL TIMER
C.A.P. ART-DNe Adjustable Recycle Timer CAP Controller
The ART-DNe recylcing timer by Custom Automated Products controls any application requiring a device to be turned on and off at precise intervals. The ART-DNe has a user adjustable on time of 1 second to 60 minutes and an off time of 1 minute to 8 hours. A day/night/both switch allows you to select the time period that the ART-DNe will operate. The ART-DNe timers have a wide range of uses including controlling hydroponic pumps, simple CO2 controller, turning on and off ozone generators, running exhaust fans, etc. ART-DNe timers are rated for 15 amps @ 120 volts. Three year warranty.
EBB PRO GRO Professional Grade Hydroponic Controller Aeroponic flow grow flo
NEW Pro-Gro EBB Controller
The Elite 2 is a EBB controller that sets a new standard.
Adjustable floats now you decide what size buckets to use
Heavy Duty commercial grade components and made in the USA
Seconds and Minutes timers fully adjustable to meet all demanding conditions
Safe Low voltage controls
Led lights to let you know what is happening
Manual fill button one cycle then goes back to automatic
True 15 amps total this controller is rated to handle 2 - 1/2 HP Pumps
http://search.ebay.com/search/search...ry=ebb pro gro
Din Rail Type Digital Programmable Timer
LED indicator light, week and time resettable, LCD digital display, 6 function keys, DIN rail installation.
The program timer can automatically switch on and switch off various kinds of electric equipment according to fixed time.
Used widely to control the lamp, water heater, sprayer, bottler, preheater, agriculture facilities, broadcasting equipment,home appliance, etc.
Omron H5CX Digital Timer
Sub second digital repeat cycle timer.
Digital Twin Timer 4 Digitals OMRON relay Output
DIN(48X48mm) Digital timer
0.01s-99h99m time range with twin time set value individual,
output for A, B period
One shot or cycle time mode, up or down mode available.
MCU for digital control, High accuracy and reliability
0.39" height LED, prevent dazzle panel, highly visible display
NPN and PNP input switchable
Tact switch for up or down set value, easily operate
Key lock function, prevent mistake operation
Switching power supply and low consumption.
Use long life OMRON relay
http://search.ebay.com/search/search...tal Twin Timer
DIG 6 STATION CONTROLLER
Operates up to six valves plus master valve
Four button keypad with an integrated large liquid crystal display (LCD)
Operates drip or sprinkler systems
Easy to read AM/PM clock
Can operate two valves simultaneously
Digital icon indicates station in operation
Automatic, semi-automatic and manual operation
Independent programming for each valve (four and six station)