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ICM Controls ICM203 Delay on Break Timer – Universal Voltage Anti-Short Cycle Compressor Protection Relay (18–240 VAC, Adjustable 1.8–600 Seconds)

4.5 out of 5 stars (176)

About this item

  • ⚡𝗖𝗼𝗺𝗽𝗿𝗲𝘀𝘀𝗼𝗿 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 - Prevents damage from rapid short cycling with built-in lockout safety.
  • ⚡𝗔𝗱𝗷𝘂𝘀𝘁𝗮𝗯𝗹𝗲 𝗗𝗲𝗹𝗮𝘆 - Set custom delay time from 1.8 to 600 seconds for flexible system control.
  • ⚡𝗪𝗶𝗱𝗲 𝗩𝗼𝗹𝘁𝗮𝗴𝗲 𝗥𝗮𝗻𝗴𝗲 - Operates on 18–240 VAC, suitable for a broad range of HVAC and refrigeration applications.
  • ⚡𝗦𝗶𝗺𝗽𝗹𝗲 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 - Easy 2-wire hookup for quick and reliable setup.
  • ⚡𝐃𝐮𝐫𝐚𝐛𝐥𝐞 & 𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞 - Solid-state design ensures long-lasting performance in demanding environments.

Product voltage: 110

This product is compatible with outlets that support 110 volts and might require a converter when used outside of the United States.

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 2 x 1.25 x 2 inches; 1.6 ounces
  • Item model number ‏ : ‎ ICM203
  • National Stock Number ‏ : ‎ 6645-01-522-7447
  • Date First Available ‏ : ‎ August 22, 2017
  • Manufacturer ‏ : ‎ ICM Controls
  • ASIN ‏ : ‎ B000LDKB3W
  • Best Sellers Rank: #305,847 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
  • Customer Reviews:
    4.5 out of 5 stars (176)

Safety and product resources

Safety documents

Product Description

Compressor lockout/Anti-Short cycle timer helps to protect compressors from damage caused by rapid short cycling simple, 2-wire hookup adjustable timing universal voltage. made in United States. Manufactured by ICM Controls.


From the manufacturer


ICM Controls

ICM Controls is a leading, ISO Certified manufacturer of electronic controls specializing in the HVAC industry. We have achieved this position through product and process innovation that spans more than 30 years, and we strive to maintain this position through extensive capitalization, focusing on our greatest manufacturing strength: true vertical integration. Our products are proudly made in America.

ICM Controls OEM Replacement

OEM Replacement

ICM282A Furnace Control - with software for enhanced controls operation in counter flow and down flow furnace applications. Replacement for OEM models including Carrier HK42FZ0-xx series control boards.

  • Controls gas valve, ignitor, blower motor, inducer, humidifier and air cleaner
  • Microprocessor-based precision
  • Software for enhanced controls operation in counter flow and down flow furnace applications
  • Designed for 100% gas shutoff in case of ignition failure

Furnace Control

  • Low cost form, fit and functional replacement board for Goodman, Janitor, TI, White-Rodgers and UTEC
  • Microprocessor based design for precise timing
  • Functions with all 24 VAC thermostats
  • Diagnostic fault codes (blinking LED) for simple troubleshooting
  • Twining compatible with another ICM280

Delay on Break Timer

Compressor lockout/Anti-Short cycle timer helps to protect compressors from damage caused by rapid short cycling simple, 2-wire hookup adjustable timing universal voltage. made in United States. Manufactured by ICM Controls.

Compressor lockout/anti-short cycle timer, Helps to protect compressors from damage caused by rapid short cycling. Simple, 2-wire hookup. Adjustable timing. Universal voltage.

Furnace Control Replacement

OEM Models

Furnace Control - Replacement For Oem Models Including Carrier Ces0110057-Xx Series Control Boards. Low Cost Form, Fit And Functional Replacement Board For Carrier Ceso11005700/01/02. Controls Gas Valve, Ignitor, Blower Motor, Inducer, Humidifier And Air Cleaner. Secondary Brownout Voltage Protection.

Diagnostic Fault Codes (Blinking Led) For Simple Troubleshooting. Made in United States. Manufactured by Icm Controls.

Features

  • Microprocessor-Based For Precise Timing
  • Functions With All 24 Vac Thermostats
  • Designed For 100% Gas Shutoff In Case Of Ignition Failure
  • Twinning compatible with another ICM281 board
  • Reverse polarity protection

Fan Blower Control OEM Replacement

Fan Blower Control - replacement for OEM models including Carrier CES0110017/18 and HH84AA-x series control boards. Specifically designed to replace popular gas furnace centers, Pin selectable blower delays. High power, relay output, Dual function fan delay timer, Controls the circulating fan in heat pump, A/C and forced air systems.

What's in the box

  • Control
  • Brands in this category on Amazon

    Customer reviews

    4.5 out of 5 stars
    176 global ratings

    Customers say

    Customers find the timer extremely reliable, effectively stopping compressor short cycling, and appreciate its easy installation and good value for money. They praise its quality and versatility, with one customer noting it works with both 24vac and 120vac systems. The time delay feature receives mixed feedback.

    23 customers mention "Functionality"17 positive6 negative

    Customers find the timer extremely reliable and effective at stopping short cycling on condensing units. One customer tested it successfully with a 10W lightbulb setup.

    "Works Great!!..." Read more

    "...HVAC unit from short cycling during power interruptions, has been working great. Cheap insurance on an expensive AV compressor." Read more

    "Timer doesn't work. It's either zero delay at the low end and anything past that is infinity." Read more

    "Works correctly.Stops short cycling on condensing unit." Read more

    6 customers mention "Quality"6 positive0 negative

    Customers find the timer to be of good quality.

    "Great product at a great price. Thanks for the prompt delivery." Read more

    "Great unit, works as advertized !!!" Read more

    "Perfect!" Read more

    "Excellent quality part! I am using these to cycle my aquariums pump so my fish have time to eat all the food before my filters eat the rest...." Read more

    5 customers mention "Ease of installation"5 positive0 negative

    Customers find the timer easy to install, with one mentioning it interfaces well with air conditioner compressors.

    "Easy to install and adds equalization time for soft start after power loss" Read more

    "...These timers are very simple to install and completely prevent the problem...." Read more

    "Works great for my AC unit and was simple to install on the low voltage wiring, thanks!!" Read more

    "This was easy to interface with my air conditioner compressor." Read more

    5 customers mention "Versatility"5 positive0 negative

    Customers find the timer versatile, with one mentioning it functions on both 24vac and 120vac, while another notes it's an essential add-on for A/C units.

    "Essential add-on to an A/C Unit for those hot & humid summer nights when the A/C cycles far to often for the 'health' of the compressor...." Read more

    "...Probably okay for intended application in HVAC. For information, the voltage drop when on and powering a 360mA load is 4.4 Vac...." Read more

    "Used this at work for design-build. Very versatile. Don't overload it and you're good to go...." Read more

    "These are great for so many things." Read more

    4 customers mention "Value for money"4 positive0 negative

    Customers find the timer offers good value for money.

    "great price - exactly what I needed - very hard to find, glad to have it." Read more

    "great product right price. i now got peace of mind knowing my air conditioning unit is once again working and protected. John" Read more

    "We like the value of the product" Read more

    "Great product at a great price. Thanks for the prompt delivery." Read more

    10 customers mention "Time delay"3 positive7 negative

    Customers have mixed opinions about the timer's delay feature, with some appreciating the adjustable time range of 1.8 to 600 seconds, while others report issues with coarse adjustment and shifting values.

    "...The compressor ran continuously for about a day. The evaporator coils completely iced up and the compressor cabinet was coated in frost...." Read more

    "...Lesson learned. Time delay is difficult to adjust at the low end. When set for .03 minutes you actually get 0 time delay...." Read more

    "This timer delays beginning from the time power goes off. It is highly useful in that it will function on 24vac or 120vac. Delay is 0-10 minutes...." Read more

    "Time delay is almost impossible to adjust at times like 3 minutes or so .... erratic and constantly shifting values...." Read more

    Works Great after Experimenting.
    5 out of 5 stars
    Works Great after Experimenting.
    I installed today, and of course I wanted to test if it worked. I turned on the AC and let it run for 5 minutes, then I pulled the breakers to look like I lost power. Then I turned back on quickly. Looking at my Nest Thermostat on my phone and standing outside, the Nest turned Blue that it was cooling. But the compressor did not come on. After 6 minutes which is the setting I used, the compressor started up. So it works as designed and it will save my compressor from all the power outages I have been experiencing. Thank You ICM !
    Thank you for your feedback
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    Top reviews from the United States

    • Reviewed in the United States on July 10, 2024
      I installed today, and of course I wanted to test if it worked. I turned on the AC and let it run for 5 minutes, then I pulled the breakers to look like I lost power. Then I turned back on quickly. Looking at my Nest Thermostat on my phone and standing outside, the Nest turned Blue that it was cooling. But the compressor did not come on. After 6 minutes which is the setting I used, the compressor started up. So it works as designed and it will save my compressor from all the power outages I have been experiencing. Thank You ICM !
      Customer image
      5.0 out of 5 stars
      Works Great after Experimenting.

      Reviewed in the United States on July 10, 2024
      I installed today, and of course I wanted to test if it worked. I turned on the AC and let it run for 5 minutes, then I pulled the breakers to look like I lost power. Then I turned back on quickly. Looking at my Nest Thermostat on my phone and standing outside, the Nest turned Blue that it was cooling. But the compressor did not come on. After 6 minutes which is the setting I used, the compressor started up. So it works as designed and it will save my compressor from all the power outages I have been experiencing. Thank You ICM !
      Images in this review
      Customer image
      3 people found this helpful
      Report
    • Reviewed in the United States on February 11, 2025
      Using this relay to keep my air conditioner from short cycling due to power fluctuations during storms.
      One person found this helpful
      Report
    • Reviewed in the United States on June 20, 2025
      Made in the USA
    • Reviewed in the United States on February 6, 2013
      Item was considerably cheaper than what Granger charges for theirs. Would purchase again from vendor.
      Installed one years ago on old condenser , and we get alot of thunderstorms and power surges.
      2 people found this helpful
      Report
    • Reviewed in the United States on July 4, 2024
      Our ac system constantly trips the freeze stat due to poor design and install by previous owners. Short of replacing an expensive newer system or throwing more money at supposed fixes I tried this to give the system plenty of time to equalize before cycling the compressor again. The new freeze stat was supposed to give more than a few minutes to reset but in reality it is two to three minutes. The thermostat was also supposed to prevent short cycling but it does not. To any hvac pros who might read this we have had five highly recommended companies out to service and troubleshoot at the expense of 2000$ with only modest results.
      I recommend this device. For us it has worked as intended.
      One person found this helpful
      Report
    • Reviewed in the United States on July 28, 2024
      Essential add-on to an A/C Unit for those hot & humid summer nights when the A/C cycles far to often for the 'health' of the compressor. Consider pre-assembling a simple jumper (Pic#1) to make the connection between the contactor-relay and the delay timer much easier & safer. If you have never worked around capacitors before, seriously consider getting someone who is familiar with this equipment to install it. Your compressor will thank you for the new timer.
      Customer image
      5.0 out of 5 stars
      Does it's 'job' well...just be careful.

      Reviewed in the United States on July 28, 2024
      Essential add-on to an A/C Unit for those hot & humid summer nights when the A/C cycles far to often for the 'health' of the compressor. Consider pre-assembling a simple jumper (Pic#1) to make the connection between the contactor-relay and the delay timer much easier & safer. If you have never worked around capacitors before, seriously consider getting someone who is familiar with this equipment to install it. Your compressor will thank you for the new timer.
      Images in this review
      Customer imageCustomer image
      One person found this helpful
      Report
    • Reviewed in the United States on September 15, 2012
      This timer delays beginning from the time power goes off. It is highly useful in that it will function on 24vac or 120vac. Delay is 0-10 minutes. I have used many of these for many different applications & found them all to be extremely reliable & easy to install just about anywhere. The most common use might be in 24v circuits to delay a single phase HVAC unit from attempting to restart before pressures have equalized in the refrigerant circuit. In that use it is truly a "compressor saver".
      14 people found this helpful
      Report
    • Reviewed in the United States on June 18, 2019
      In 2018 I ordered two ICM-203s and received one ICM-203 and one ICM-102. I should have checked order when I received it -- too late now so for $6 I just ordered a second one. Lesson learned.
      Time delay is difficult to adjust at the low end. When set for .03 minutes you actually get 0 time delay. At the next mark higher, the time is a few minutes so just keep this in mind. Probably okay for intended application in HVAC.
      For information, the voltage drop when on and powering a 360mA load is 4.4 Vac. When off, the trickle current is 47mA.
      2 people found this helpful
      Report

    Top reviews from other countries

    Translate all reviews to English
    • Amazon Customer
      5.0 out of 5 stars Parfait
      Reviewed in Canada on December 29, 2019
      Exactement comme le descriptif
      Report
    • Dale H.
      5.0 out of 5 stars Five Stars
      Reviewed in Canada on April 13, 2018
      works great
    • kevin murphy
      1.0 out of 5 stars doesn't work
      Reviewed in Canada on March 14, 2020
      this delay timer did nothing on any settings, had power cycling to a compressor and fried my compressor.
    • Audrey
      1.0 out of 5 stars Not working.
      Reviewed in Canada on April 18, 2019
      The product doesn't work. Useless.

    Product Summary: ICM Controls ICM203 Delay on Break Timer – Universal Voltage Anti-Short Cycle Compressor Protection Relay (18–240 VAC, Adjustable 1.8–600 Seconds)

    From ICM Controls

    4.5 out of 5 stars, 176 ratings

    Customer reviews

    100+ viewed in past month

    Price

    No featured offers available

    Other sellers

    Other sellers

    About this Item

    • ⚡𝗖𝗼𝗺𝗽𝗿𝗲𝘀𝘀𝗼𝗿 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 - Prevents damage from rapid short cycling with built-in lockout safety.
    • ⚡𝗔𝗱𝗷𝘂𝘀𝘁𝗮𝗯𝗹𝗲 𝗗𝗲𝗹𝗮𝘆 - Set custom delay time from 1.8 to 600 seconds for flexible system control.
    • ⚡𝗪𝗶𝗱𝗲 𝗩𝗼𝗹𝘁𝗮𝗴𝗲 𝗥𝗮𝗻𝗴𝗲 - Operates on 18–240 VAC, suitable for a broad range of HVAC and refrigeration applications.
    • ⚡𝗦𝗶𝗺𝗽𝗹𝗲 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 - Easy 2-wire hookup for quick and reliable setup.
    • ⚡𝐃𝐮𝐫𝐚𝐛𝐥𝐞 & 𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞 - Solid-state design ensures long-lasting performance in demanding environments.

    Product Description

    Compressor lockout/Anti-Short cycle timer helps to protect compressors from damage caused by rapid short cycling simple, 2-wire hookup adjustable timing universal voltage. made in United States. Manufactured by ICM Controls.

    Product Guidance & Documents

    User Guide (PDF)

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