Product prices and availability are accurate as of 2021-03-07 05:44:12 UTC and are subject to change. Any price and availability information displayed on http://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
Product Features
The Aprilaire #51 current sensing relay simplifies air cleaner installation on furnaces without accessory terminals. It can also be used to simplify installation of inline duct booster fans. Voltage Range: 100-125 VAC, 50-60 Hz. Sensing Current: Minimum of 4.0 Amps.