General Aire #1042 Humidifier Maintenance - YouTube
Wiring help for Generalaire humidifier - Home Improvement Stack Exchange
General Aire Humidifier Pad Model 990-13. Fits several General Aire and Williamson humidfiers
Tier1 Replacement for GeneralAire 990-13 Models 1042,1137,1040 Humidifier Filter (3-Pack) TIER1_HMF1100_3_PACK - The Home Depot
Amazon.com: AMI PARTS 990-53 Solenoid Valve Assembly 24V-Humidifier Water Valve-Compatible with GeneralAire Humidifier -1042 1042L 1042LH 1137 : Appliances
Model 1042DMM/DMD Humidifier - General Aire
Amazon.com: 2-pack General Generalaire Humidifier 990-13 Water Pad (View amazon detail page) : Appliances