Home and Improvement

Maintenance Kit For 400 & 400A

Maint Kit-Models 500 500A&500MExtend your existing Aprilaire Model 500, Model 500A, or Model 500M HVAC system with this curved desk extension, Gray steel. Includes a curved desk extension, right hand, 47W x 24D x 29.5H, and a 150M run of 16 insulated...

This Maintenance Kit includes the following items: -1 Canister of Air Cleaner Refill -1 Canister of Deodorizer Refill -1 Canister of Anti-Bacterial Refill -1 Canister of Anti-Fungal Refill -1 Canister of Anti-Viral Refill -1 Canister of Odor Neutralizer...

The Aprilaire Maint Kit-Models 560 560A&568 is a must-have for any model 560, 560A, or 568 air conditioner. This maintenance kit includes all the necessary parts and tools to keep your air conditioner running smoothly.

The Aprilaire Maint Kit-Models 600 600A&600M is a must-have for any Aprilaire model air conditioner. This kit includes all the parts and tools needed to maintain your air conditioner. This kit includes a filter, oil, filter cover, belt, and instructions.

Blower Activation RelayThe blower activation relay is designed as a replacement/upgrade for the standard 3 pin relay on Aprilaire 4000 Series humidifiers. The relay is rated at 115VAC, 1A and uses a normally-open configuration, and includes two screw...

Conversion Rails

The Aprilaire 4977 is a 24 volt coil-driven relay. It is used to control various appliances in a home or office. It can be used to turn on and off lights, fans, and other appliances.

The Aprilaire 4978 Electrode Wire is a wire that is used to measure the oxygen levels in a room.

The Internal Control Circuit Board Aprilaire 4981 is a replacement part for your air conditioner. This board helps to keep your air conditioner running smoothly and efficiently.

Drain Cup Assembly

The Steam Dispersion Tube & Screws Aprilaire 4991 is a device used to disperse steam in a confined area. It is made up of a tube and a set of screws that allow the user to adjust the dispersal distance.

The Current Snsng Relay (24V Appl) Aprilaire 50 is a relay that is used to control the current to an Aprilaire 50 air conditioner.

12gpd BYPASS HUMIDIFIER-MANUAL

The Aprilaire 501 air cleaner media is designed to help remove pollutants from the air. This media is made of activated carbon and is designed to trap particles and allergens. This media is also designed to help improve air quality.