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The Heil Quaker ICP 1170644 Blower Motor is a high-efficiency Direct Drive Blower Motor designed for specific residential and light commercial HVAC applications
this CW rotation motor is the authorized engineering cross-reference for the discontinued MOT19225
the 587WAS series would be the appropriate alternative
the tray should be replaced to maintain proper water flow
Aprilaire 4740 Relay 321894-709 The Heil Quaker ICP 1170644The Aprilaire 4740 Relay is a critical replacement component engineered specifically for Aprilaire 700 series humidifiers, including the 700A and 700M models manufactured after 2008. As a genuine AprilAire humidifier part, this fan relay is responsible for powering the circulator fan when the humidistat signals for moisture. Unlike older "Series One" versions that utilized the 4238 control board with an integrated transformer, this modern 24V
