Robertshaw 4040-001 24V Humidifier Solenoid Valve for Aprilaire 4040 and Lennox 52P90
$0.00
- Specifications: 4040-00A 24V 50/60Hz 2.3 Watts 125 PSI MODP 3/64″ Orifice 12/18
- Replaces Aprilaire 4040, Lennox 52P90, Lennox 52P90-01, Generalaire GA4040, Generalaire 7221
- Compatible with Aprilaire Humidifier Models 220, 224, 400, 440, 550, 550A, 568, 560, 560A, 568, 600, 700, 760, 760A, 768
- Compatible with Generalaire Humidifier Models 900, 950 an
- Ensures proper humidity levels by controlling correct water flow into the humidifier


































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