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Use a multimeter to check for continuity across the SPST terminals and a manometer to verify the switch closes at the manufacturer's specified pressure rating
and wiring configurations
Superior Sealing: Features resilient soft seating and NBR discs to ensure a leak-proof
Fail-Safe Engineering: Mechanical spring return provides 100% duty cycle safety
Aprilaire 4670 Motor R-134A Use a multimeter to checkMaintain the peak efficiency of your whole house humidification system with the Aprilaire 4670 Motor. This genuine OEM humidifier motor is specifically engineered for the Aprilaire 700 series, including models 700, 700A, and 700M. Operating at 24V with a power consumption of 3. 5W, this synchronous motor provides a steady 2 RPM rotation to ensure consistent water distribution across the vapor pad. As a direct replacement for the legacy Aprilaire 4237