BYPASS & POWER-FAN HUMIDIFIER ACCESSORIES AND PARTSPriceQuantity
Aprilaire Current Sensing Relay
 Aprilaire 50
24v Relay - Turns Aprilaire Humidifiers on With Call for Fan & Humidification 		$28.99  
Honeywell Sail Switch
 Honeywell S688A1007
Air Flow Switch - For Humidifiers Installed on Variable Speed Furnaces/Air Handlers 		$46.99  
BYPASS & POWER-FAN HUMIDIFIER INSTALLATION KITSPriceQuantity
AHA075 Installation Kit
 Alpine Home Air Products KIT075
Humidifier Installation Kit for Bypass-Type Humidifiers 		$44.99  
BYPASS & POWER-FAN HUMIDIFIER REPLACEMENT PADS / FILTERSPriceQuantity
AA 10 Multi-Pack
 Aprilaire 10 RP
(10-Pack) Replacement Humidifier Pads / Filters fits Aprilaire Models 110, 220, 500A, 500M, 550, 558. 		$54.99  
AA 10 6-Pack 2 Aprilaire 10 RP
(6-Pack) Replacement Humidifier Pads / Filters fits Aprilaire Models 110, 220, 500A, 500M, 550, 558. 		$34.99  
Aprilaire Humidifier Pad
 Aprilaire 10 RP
(2-pack) Replacement Humidifier Pads / Filters fits Aprilaire Models 110, 220, 500A, 500M, 550, 558. 		$13.99  
DIGITAL THERMOSTATSPriceQuantity
Aprilaire 8570 Front
 Aprilaire 8570
Universal Programmable Thermostat - Two Stage Heat Two Stage Cool 		$134.99  
TOOLSPriceQuantity
Imperial 174-F Tube Cutters
 Imperial 174-FSP
3/8" to 1 1/8" Copper Tubing Cutter 		$25.99  
Product Image Malco HC2
2 Inch to 20 Inch Diameter Hole Cutter 		$63.99