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APRILAIRE Duct Mount Humidifier: Bypass, 12 gal Daily Humidification Output - Bypass In-Duct Humidifiers
APRILAIREBypass In-Duct Humidifiers

APRILAIRE Duct Mount Humidifier: Bypass, 12 gal Daily Humidification Output

The APRILAIRE Duct Mount Humidifier: Bypass (MPN 500M) is a bypass in-duct humidifier with a daily humidification output of 12 gal. It features a 30% Humidity Setting - Min, Knob for control. 3G Electric interprets…

SKU 3G-OTH-59100

Also listed as: 500 M · 500-M

Brand
APRILAIRE
Item
Duct Mount Humidifier: Bypass, 12 gal Daily Humidification Output
Category
Bypass In-Duct Humidifiers
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Payment
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Technical Specifications

APRILAIRE
Manufacturer Part Number
500M
Type
30% Humidity Setting - Min, Knob
Daily Humidification Output
12 gal

Technical Documents

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APRILAIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APRILAIRE Duct Mount Humidifier: Bypass (MPN 500M) is a bypass in-duct humidifier with a daily humidification output of 12 gal. It features a 30% Humidity Setting - Min, Knob for control. 3G Electric interprets customer demand and delivers this genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the Aprilaire 500M duct mount humidifier used for?

The Aprilaire 500M bypass humidifier adds moisture to dry forced-air heating systems in homes and light commercial spaces. It mounts directly on the supply duct and uses a bypass design to deliver up to 12 gallons of humidity per day, improving comfort and protecting wood furnishings.

What are the specifications of the Aprilaire 500M humidifier?

The Aprilaire 500M is a bypass in-duct humidifier with a daily humidification output of 12 gallons. It features a knob-type humidity setting with a minimum of 30% relative humidity. The manufacturer part number is 500M, and it is designed for duct-mount installation.

Where to buy the Aprilaire 500M humidifier worldwide?

3G Electric supplies the Aprilaire 500M bypass humidifier to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this model.

How to install an Aprilaire 500M bypass humidifier?

Install the Aprilaire 500M on the supply duct of a forced-air furnace, connecting the bypass duct to the return side. Ensure a water supply line and drain are nearby. Set the humidity knob to your desired level, typically 30–50% depending on outdoor temperature. Follow local codes and the manufacturer's manual.

Used in

Common applications for APRILAIRE
Residential HVAC — Aprilaire model 700 fan-powered humidifier for whole-home humidity control in forced-air systems
Light commercial buildings — Aprilaire model 500M bypass humidifier for maintaining indoor humidity in office spaces
HVAC maintenance — Aprilaire solenoid valve 4040 for replacing faulty valves in humidifier water circuits
Dehumidification systems — Aprilaire controller 76 for managing humidity levels in basements or crawl spaces with dehumidifier models 1830/1850/1870
Air purification — Aprilaire ionizer wire 4602 for servicing electronic air cleaners in residential HVAC systems
HVACR repair — Aprilaire pump 4856 for replacing condensate pumps in dehumidifier or humidifier drainage systems

APRILAIRE Products

3G Electric supplies APRILAIRE bypass in-duct humidifiers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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