Aprilaire 4740 Relay
Overview
Replacement Aprilaire 4740 Fan Relay. This relay powers up the circulator fan in the newer style 700, 700A and 700M power humidifiers manufactured starting in 2008. Older models used part 4238 which had a small circuit board in them containing a low voltage transformer. Newer versions of the model 700 series used an external transformer to power up the control circuit as well as this fan relay.
Specifications
| Manufacturer | Aprilaire |
|---|---|
| Product Length | 1.550 |
| Product Width | 1.550 |
| Product Height | 0.800 |
| Product Weight | 0.075 |
| Package Length | 4.200 |
| Package Width | 4.000 |
| Package Height | 1.300 |
Video
Compatibility
- Aprilaire 700 Fan Powered Humidifier 1 Needed
- Aprilaire 8140 Ventilator (Before October 2017) 1 Needed
- Aprilaire 8140NC Ventilator (Before October 2017) 1 Needed
- Aprilaire 8140NF Ventilator 1 Needed
- Aprilaire 8141 1 Needed
- Aprilaire 8142 Ventilator (After November 2017) 1 Needed
- Aprilaire 8142 Ventilator (Before November 2017) 1 Needed
- Aprilaire 8142NC Ventilator (After November 2017) 1 Needed
- Aprilaire 8142NC Ventilator (Before November 2017) 1 Needed
Reviews 1
Browser Not Supported
You are using Internet Explorer as your browser, which is no longer supported by our website. Because of this, you can view products but not place orders using Internet Explorer on our site.
Please update your browser to any of the modern browsers listed below or use a different internet browser to place an order on this site.
If you have any questions or need assistance with placing an order, please contact us at 800-825-2148 or sales@airqualityparts.com
