Best Furnace Time Delay Relays

Looking for the best furnace time delay relays? We’ve curated a list of 10 top options to help you find the perfect match for your heating system.

Furnace time delay relays are key parts of your heating system. They control when your furnace turns on and off. This saves energy and keeps your home warm.

These small devices make a big difference. They prevent damage and boost efficiency. You’ll find reliable options to fit your needs.

Ready to upgrade your system? We’ve got you covered. Let’s explore the best furnace time delay relays and find the perfect match for your home.

List of Top 10 Furnace Time Delay Relays

Title	Best For	Price
12V DC Time Delay Relay Compatible with Dinosaur Electronics RV Furnace	This 12V DC Time Delay Relay is perfect for RV owners with older furnace systems. It’s ideal for those needing a reliable replacement to improve furnace performance and ensure smooth operation.	View on Amazon (paid link)
ICM Controls ICM102 DOM Timer, 10 Minutes Adjustable,Multicolor	The ICM102 DOM Timer is perfect for homeowners and HVAC technicians who need a reliable, adjustable timer for heating and cooling systems. It’s easy to install and works with most thermostats, making it a great choice for anyone looking to upgrade or replace an old timer.	View on Amazon (paid link)
KSD015W E496976 Furnace Fan Time Delay SPDT Relay C65-115 fit for Goodman Janitrol Amana B1370738 B13707-38 A61-10 air Handler	This fan relay timer is perfect for Goodman, Janitrol, and Amana air handler owners who need a fix for part B1370738. Swap it in to help restore smooth fan operation.	View on Amazon (paid link)
Q103 Electric Heat Sequencer Control, DPST 24 Volt, On 1-20 Off 40-110	This Q103 Electric Heat Sequencer Control is perfect for homeowners and HVAC technicians who need a reliable and easy-to-install replacement for their heating system. It’s compatible with many brands and built to last, making it a smart choice for anyone looking to fix or upgrade their heating setup.	View on Amazon (paid link)
Multifunction Time Relay 16A Delay ON Off Time Relay GRT8-M1 AC DC 12-240V，10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days	This smart time relay is perfect for builders, electricians, and engineers. It makes precise control of motors and lights fast and easy.	View on Amazon (paid link)
Weasch QD-068 Delay on Make Timer, 0.03-10 Min Adjustable HVAC Relay	This delay timer is a good fit for HVAC techs, home owners, and shop staff who need timed start for heat pumps, fans, and pumps. Its 2-wire fit and cut-wire jumper make set up and swap work fast.	View on Amazon (paid link)
Haoguo Time Delay Relay 12V, The Replacement of RLY02807 Relay Switch, Suitable for Central Air Conditioners Heat Pumps Air Processors Furnaces	This Haoguo Time Delay Relay is perfect for homeowners and HVAC technicians who want to improve efficiency and save money. It’s ideal for systems like air conditioners, heat pumps, and furnaces that need a reliable delay module.	View on Amazon (paid link)
Multifunction Time Relay, Delay ON Off 10A GRT6 M1 AC DC 24-240V with 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days	Factory workers use this timer to control machines and lights. Technicians like it for heating and hvac systems.	View on Amazon (paid link)
Delay Off Time Relay GRT6-B1 10A Adjustable Smart Relay, Delay Turn Off Electronic Timer in Din Rail, 0.1s-10 Days Wide Range Delay Factory Automation Time Universal Voltage AC DC 24V 240V	This delay off time relay is perfect for anyone who needs to control machines or equipment with precise timing. It’s ideal for factories, lighting systems, or home automation where reliable delay settings are essential.	View on Amazon (paid link)
24CZ-1 Q101 Electric Furnace Sequencer Device, 1SPST 24 Volt On 1-20 Off 40-110, for Delayed Operation of Electric Furnaces, Fan, Heat Pumps, Gas Furnace	This part is made for you if your heater needs a quick fix. It gets your system running fast and safe.	View on Amazon (paid link)

Detailed Reviews

Find the best furnace time delay relays fast. We checked key parts, user notes, and real value. This short guide points you to a safe, smart pick.

1. 12V DC Time Delay Relay Compatible with Dinosaur Electronics RV Furnace

Keep your RV cozy. Fix your furnace. Upgrade your time delay relay today.

Enjoy stable heating. Trust the smart microcontroller.

Protect your system. Stop the wear. Buy your new relay now.

Pros	Cons
Made for older 12V RV furnaces. 4-second delay lets the flame start first. Fan runs two more minutes to clear heat. Sealed build blocks dust, water, and shock. Stable timing helps each heat cycle run right.	Requires careful wiring checks before you buy. Not for systems with built-in timers. Must match exact size and pin setup.

Perfect For:

This 12V DC Time Delay Relay is perfect for RV owners with older furnace systems. It’s ideal for those needing a reliable replacement to improve furnace performance and ensure smooth operation.

Ready to Purchase?

View Price on Amazon (paid link)

2. ICM Controls ICM102 DOM Timer, 10 Minutes Adjustable,Multicolor

The ICM102 DOM Timer is a versatile and powerful device. It works with universal voltage, making it compatible with many systems. Its 1.5 amp power rating handles higher loads with ease.

This timer offers knob-adjustable time delays, giving you precise control. It works with anticipator-type thermostats, ensuring smooth operation. One ICM102 can replace many older models, saving you time and money.

The adjustable time delay ranges from .03 to 10 minutes, or 1.5 to 600 seconds. This flexibility makes it ideal for various applications.

Pros	Cons
Universal voltage fits many systems. 1.5 amps gives strong power. Knob control makes time changes fast. Works with many thermostats for wide fit. One timer replaces many field models.	10-minute max may be too short for some uses. 1.5-amp limit may be too low for some jobs. Manual knob needs hand setting each time.

Perfect For:

The ICM102 DOM Timer is perfect for homeowners and HVAC technicians who need a reliable, adjustable timer for heating and cooling systems. It’s easy to install and works with most thermostats, making it a great choice for anyone looking to upgrade or replace an old timer.

Ready to Purchase?

View Price on Amazon (paid link)

3. KSD015W E496976 Furnace Fan Time Delay SPDT Relay C65-115 fit for Goodman Janitrol Amana B1370738 B13707-38 A61-10 air Handler

This relay fixes weak furnace fans fast. It works with Goodman and Amana air handlers better than old parts.

It is a top choice for B13707-38 and A61-10 replacements. Use it to keep your heating running smooth without stops. Your system will work like new every time.

Get your air flowing again with this timed sequencer. It stops your fan from failing when it should stay on. Grab this reliable part to fix your HVAC system now.

Pros	Cons
Restores fan operation quickly and efficiently with this reliable replacement. Fits multiple models, including Goodman, Janitrol, and Amana air handlers. Easy to install, saving you time and hassle with simple swap. Keeps systems running smoothly, ensuring consistent heating and cooling.	No installation guide included, might need expert help. Not compatible with all furnace models, check before buying. Limited warranty details, unclear long-term support.

Perfect For:

This fan relay timer is perfect for Goodman, Janitrol, and Amana air handler owners who need a fix for part B1370738. Swap it in to help restore smooth fan operation.

Ready to Purchase?

View Price on Amazon (paid link)

4. Q103 Electric Heat Sequencer Control, DPST 24 Volt, On 1-20 Off 40-110

The Q103 heat sequencer gives timed control to your heat system. It uses a DPST 24V setup.

It turns on in 1 to 20 sec. It turns off in 40 to 110 sec.

It fits many common brands. It is easy to swap. It is built for steady use.

Pros	Cons
Easy fit for many HVAC brands. Direct swap for many old models. Quick start in 1 to 20 sec. Long stop delay of 40 to 110 sec. Strong build for steady heat control.	Timing is fixed and not adjustable Only works with 24 Volt circuits

Perfect For:

This Q103 Electric Heat Sequencer Control is perfect for homeowners and HVAC technicians who need a reliable and easy-to-install replacement for their heating system. It’s compatible with many brands and built to last, making it a smart choice for anyone looking to fix or upgrade their heating setup.

Ready to Purchase?

View Price on Amazon (paid link)

5. Multifunction Time Relay 16A Delay ON Off Time Relay GRT8-M1 AC DC 12-240V，10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days

Multifunction Time Relay 16A Delay ON Off Time Relay GRT8-M1 AC DC 12-240V，10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days

The GRT8-M1 is a multifunctional time relay that controls delay times for various applications. It works with AC/DC 12-240V and has a wide delay range from 0.1 seconds to 10 days. Use it for industrial equipment, lighting, heating, or motors.

It features LED indicators to show working status and easy customization. Set delay functions like power-on delay or cyclic delay with simple steps. The compact design fits DIN rails and is durable for long-term use.

Enjoy worry-free after-sales service with a 30-day return and 3-year warranty. Reach out for installation help or product support anytime.

Pros	Cons
Ultimate control with ten functions for any setup. Set delays from tenths of seconds to ten days. Built tough with industrial grade plastic for safety. Easy setup on standard thirty five millimeter rails. Total peace of mind with a three year warranty.	Manual setup can take time to learn No app control for remote timer changes Needs a DIN rail for mounting

Perfect For:

This smart time relay is perfect for builders, electricians, and engineers. It makes precise control of motors and lights fast and easy.

Ready to Purchase?

View Price on Amazon (paid link)

6. Weasch QD-068 Delay on Make Timer, 0.03-10 Min Adjustable HVAC Relay

Protect your HVAC system with the Weasch Delay Timer. Stop costly damage before it starts.

Set your time delay from zero to ten minutes. Fit the compact module into tight spaces. Enjoy reliable startup control every single day.

Install this two-wire relay in minutes. Stop false triggers with built-in bypass protection. Get your system running like new today.

Pros	Cons
Wide use for HVAC and refrigeration systems. Easy setup with cut-wire jumper for voltage flexibility. Compact design fits tight spaces effortlessly. Reliable protection against false triggering with bypass resistor.	Jumper wire cut required for high voltage. Max current limited to one point five amps.

Perfect For:

This delay timer is a good fit for HVAC techs, home owners, and shop staff who need timed start for heat pumps, fans, and pumps. Its 2-wire fit and cut-wire jumper make set up and swap work fast.

Ready to Purchase?

View Price on Amazon (paid link)

7. Haoguo Time Delay Relay 12V, The Replacement of RLY02807 Relay Switch, Suitable for Central Air Conditioners Heat Pumps Air Processors Furnaces

Haoguo Time Delay Relay 12V, The Replacement of RLY02807 Relay Switch, Suitable for Central Air Conditioners Heat Pumps Air Processors Furnaces

The Haoguo Time Delay Relay 12V is a professional module designed to delay the shutdown of your fan after the compressor turns off. This saves energy and boosts efficiency, making it a smart choice for your system.

It’s built to last with a durable PC shell and sturdy welding. Works with central air conditioners, heat pumps, and furnaces. Easy to install and saves you money on repairs.

Pros	Cons
Cuts waste by running the fan longer. Boosts system efficiency with smart fan delay. Fits many units that use RLY02807. Strong shell helps the relay last longer. Saves repair costs by replacing old modules.	Limited brand recognition for DIY home owners. Requires basic wiring skills to install safely. Fewer reviews than major name brands.

Perfect For:

This Haoguo Time Delay Relay is perfect for homeowners and HVAC technicians who want to improve efficiency and save money. It’s ideal for systems like air conditioners, heat pumps, and furnaces that need a reliable delay module.

Ready to Purchase?

View Price on Amazon (paid link)

8. Multifunction Time Relay, Delay ON Off 10A GRT6 M1 AC DC 24-240V with 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days

Multifunction Time Relay, Delay ON Off 10A GRT6 M1 AC DC 24-240V with 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days

The GRT6-M1 timer relay helps start or stop a machine on time. It works from 0.1 seconds to 10 days. It fits on a 35mm DIN rail with ease.

Use it for lights, heat, motors, and machines. It has LED lights and a 10A relay for clear control.

Pros	Cons
Wide delay range from 0.1 seconds to 10 days for precise control. Durable design with industrial-grade ABS plastic for long-lasting use. Easy installation on 35mm DIN rail, compact and portable. Worry-free warranty: 30-day return and 3-year guarantee.	Hard to learn all ten modes. Needs a DIN rail to fit. Tiny knobs are hard to turn.

Perfect For:

Factory workers use this timer to control machines and lights. Technicians like it for heating and hvac systems.

Ready to Purchase?

View Price on Amazon (paid link)

9. Delay Off Time Relay GRT6-B1 10A Adjustable Smart Relay, Delay Turn Off Electronic Timer in Din Rail, 0.1s-10 Days Wide Range Delay Factory Automation Time Universal Voltage AC DC 24V 240V

Delay Off Time Relay GRT6-B1 10A Adjustable Smart Relay, Delay Turn Off Electronic Timer in Din Rail, 0.1s-10 Days Wide Range Delay Factory Automation Time Universal Voltage AC DC 24V 240V

This smart relay saves you time and effort. You set the right length to run your machines. It fits industrial use very well.

It handles AC DC voltage with care. The LED light shows you if the relay is on. It fixes to a DIN rail with ease.

Buy it today for great value. We give a free warranty to help your trust.

Pros	Cons
Wide time range from 0.1 seconds to 10 days. Works with AC and DC from 24V to 240V. 10A output handles lights, motors, and machines. LED lights show power and work status. Easy DIN rail fit saves space and install time.	Hard to set without reading the user manual. Not a fit for simple daily home use. Takes time to learn knob settings.

Perfect For:

This delay off time relay is perfect for anyone who needs to control machines or equipment with precise timing. It’s ideal for factories, lighting systems, or home automation where reliable delay settings are essential.

Ready to Purchase?

View Price on Amazon (paid link)

10. 24CZ-1 Q101 Electric Furnace Sequencer Device, 1SPST 24 Volt On 1-20 Off 40-110, for Delayed Operation of Electric Furnaces, Fan, Heat Pumps, Gas Furnace

24CZ-1 Q101 Electric Furnace Sequencer Device, 1SPST 24 Volt On 1-20 Off 40-110, for Delayed Operation of Electric Furnaces, Fan, Heat Pumps, Gas Furnace

Keep your home warm with this part. It is built for your electric furnace.

This small device controls your heat system. It is tested for safe use.

It is easy to fix. It works right away. Get yours today.

Pros	Cons
Replaces multiple models, saving time and money on repairs. UL recognized, ensuring safety and reliability in use. Factory tested, guarantees quality and performance out of the box. Precise delays, matches equipment needs for smooth operation.	Not a one-size fit Wiring checks need a pro Delay times may not match

Perfect For:

This part is made for you if your heater needs a quick fix. It gets your system running fast and safe.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Furnace time delay relays are key parts of your heating system. They control when your furnace turns on and off, saving energy and keeping your home warm. Let’s explore how to pick the best one for your needs.

Factors to Consider When Buying Furnace Time Delay Relays:

Compatibility:
Ensure the relay works with your system. Check voltage, brand, and model to avoid issues.
Delay Range:
Choose a relay with a delay range that fits your needs, from seconds to days.
Ease of Installation:
Look for plug-and-play options that are easy to install and save time.
Durability:
Pick a relay with sturdy materials and quality welding for long-term use.
Energy Efficiency:
Relays that delay shutdowns or control startups can save energy and lower bills.
Warranty and Support:
A good warranty and after-sales support add peace of mind. Look for 30-day returns or 3-year warranties.
Price and Value:
Compare prices to find the best value without sacrificing quality.
Application:
Decide if it’s for home, RV, or industrial use. Some relays are multifunctional for various setups.

Upgrade your system with confidence. The right relay keeps your home warm and efficient.