Dinosaur Electronics | Time Delay Relay | 12VDCTDR | 12 VDC Operation

Upgrade your older furnace with the 12VDC Time Delay Relay by Dinosaur Electronics. This microcontrolled relay ensures a 4-second delay before the fan motor starts and a 2-minute cooldown period at the end of the heating cycle, providing optimal performance and protection for your furnace.

• Designed for use with older furnaces using a standard 12VDC ignitor board
• 4-second delay before the fan motor activates
• 2-minute cooldown period after the heat cycle
• Compact size: 1.5" x 1.5"
• Durable, potted construction
• TDR and 12VDCTDR are the same part
• Return Policy & Support: This item is not eligible for return. If you're unsure whether this is the correct replacement, please contact us before ordering to ensure compatibility.
• REPLACES SUBURBAN RELAY#521069

* The TDR and FAN 50 Plus Pins CANNOT be used in DuoTherm® 900 / 9000 series furnaces or any furnace where the thermostat is in the ground circuit *UNLESS* the thermostat control wires inside the furnace are removed from the "Ground" circuitry and rewired to the "Positive" (Battery +) side of the control circuitry.