BestAir Humidistat Humidity Monitor - Hygrometer: Onboard Control, 394WU5
The BestAir Humidistat Humidity Monitor is an onboard control OEM replacement part for humidifiers, identified by manufacturer part number HG050-PDQ-4. This hygrometer is compatible with Grainger part number 394WU5…
SKU 3G-OTH-59355
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Product Description
The BestAir Humidistat Humidity Monitor is an onboard control OEM replacement part for humidifiers, identified by manufacturer part number HG050-PDQ-4. This hygrometer is compatible with Grainger part number 394WU5 and manufacturer model number HG050-PDQ-4.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the BestAir Humidistat Humidity Monitor used for?
The BestAir Humidistat Humidity Monitor is an onboard control OEM replacement part for humidifiers. It measures and regulates humidity levels in residential or light-commercial HVAC systems, ensuring optimal indoor air comfort. This hygrometer is designed to replace failed or outdated controls in compatible humidifier units.
What are the specifications of the BestAir Humidistat HG050-PDQ-4?
The BestAir Humidistat Humidity Monitor, model HG050-PDQ-4, is an onboard control hygrometer. It is compatible with Grainger part number 394WU5 and manufacturer model number HG050-PDQ-4. This OEM replacement part is designed for humidifiers and is manufactured by BESTAIR.
Where to buy the BestAir Humidistat 394WU5 worldwide?
You can source the BestAir Humidistat 394WU5 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide this BESTAIR OEM replacement part for humidifiers.
How to install the BestAir Humidistat HG050-PDQ-4?
Install the BestAir Humidistat by first disconnecting power to the humidifier. Remove the old control and connect the HG050-PDQ-4 per the manufacturer's wiring diagram. Mount the hygrometer in a location representative of the space's humidity. Always follow BESTAIR's installation instructions for safe operation.
Used in
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3G Electric supplies BESTAIR oem replacement parts for humidifiers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







