Timers

Choose the timer control best suited to your application. TekSupply timers help to save energy costs and improve heating and cooling. We carry analog and electric timers, and also watertight timers.

Choosing a Timer
• Determine the cycle length. This is the minimum length of time during which the operations occur without repetition. This period of time is a day, a week, or a year.
• Determine the number of operations required. One on/off cycle consists of two operations. Every time the timer turns on the power to the object desired, requires a pin in the mechanical models, so that is one operation.
• Determine the minimum duration of the shortest on operation and the shortest off operation. The Paragon timers vary from 1 minute minimum to 75 minutes minimum.
• Determine the load and voltage requirements of the object the timer is controlling. You need to know the horsepower and voltage of a motor or the amperage and voltage of the object.
• Determine the switch type or the number of objects being controlled. This could be SPST, DPST, DPDT or a non-standard option. The S is for Single, the P is for Pole, the T is for Throw and the D is for Double.
• Determine if the NEMA rating of the timer is important. The NEMA ratings for electronic enclosures that are available for timers are the Type 1 metal box for indoor use where no oil, water or dust is present or the Type 3R non-metallic box for outdoor use and protection against rain, sleet and snow.
• Determine if mechanical or electronic timer is desired. If timing accuracy is required then choose an electric timer. This requires initial programming and battery upkeep. The mechanical models are simpler, but may require additional tripper pins for their applications.


Heating & Cooling - Thermostats & Controllers - Timers - Electronic Percentage Timer
Electronic Percentage Timer

Heating & Cooling - Thermostats & Controllers - Timers - Intermatic Pre-wired Watertight 24-hour Time Control
Intermatic Pre-wired Watertight 24-hour Time Control

Heating & Cooling - Thermostats & Controllers - Timers - Intermatic 24-Hour Electronic Time Switch
Intermatic 24-Hour Electronic Time Switch

Heating & Cooling - Thermostats & Controllers - Timers - Intermatic 24-Hour Timers
Intermatic 24-Hour Timers

Heating & Cooling - Thermostats & Controllers - Timers - Trippers and Pins
Trippers and Pins

Heating & Cooling - Thermostats & Controllers - Timers - Pre-Wired Electronic Percentage Timer
Pre-Wired Electronic Percentage Timer

Heating & Cooling - Thermostats & Controllers - Timers - High Load Lighting Timers
High Load Lighting Timers

Heating & Cooling - Thermostats & Controllers - Timers - PIR Occupancy Sensor Switch
PIR Occupancy Sensor Switch

Heating & Cooling - Thermostats & Controllers - Timers - Battery-Operated 2-Dial Digital Timer
Battery-Operated 2-Dial Digital Timer

Heating & Cooling - Thermostats & Controllers - Timers - Heavy-Duty Indoor Digital Timer
Heavy-Duty Indoor Digital Timer

Heating & Cooling - Thermostats & Controllers - Timers - PRC-400 Irrigation Controller & Modules
PRC-400 Irrigation Controller & Modules



Heat Wave Portable Electric Heater - 34,130 BTU
Heat Wave Portable Electric Heater - 34,130 BTU
945.0
EZ-Haul Utility Trailer w/ Hitch & Deck - 3,000 lb. Capacity
EZ-Haul Utility Trailer w/ Hitch & Deck - 3,000 lb. Capacity
895.0
Precut Aircraft Cable 1/8" (7x19) - Stainless 2500' Spool
Precut Aircraft Cable 1/8" (7x19) - Stainless 2500' Spool
0.52

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