
Aprilaire 5529 Transformer
The Aprilaire 5529 Transformer is a genuine OEM replacement component designed specifically for the Aprilaire Model 800 Steam Humidifier and Aprilaire 865 systems. This 40VA transformer is the essential power source for units featuring a fill-valve inlet that extends from the bottom of the housing. By converting line voltage to a consistent 24V AC, it ensures that your whole-home humidifier maintains peak electrical performance and system protection.
Whether you are addressing a humidifier not turning on or performing a routine system upgrade, this universal transformer provides a perfect fit for both older and newer Model 800 series units. Engineered for long-term durability, it supports the critical operation of the control board and fill valves, helping to restore optimal indoor air quality in residential and commercial environments. Professionals and homeowners alike rely on the Aprilaire 5529 for its robust 24V power supply and seamless compatibility with Aprilaire part 5529 specifications.
Key Benefits:- Direct OEM Replacement: Ensures full compatibility with Aprilaire Model 800 and 865 steam humidifiers.
- Reliable Power Delivery: Provides a stable 40VA power rating (24V AC) to support consistent system operation.
- Universal Application: Specifically designed for 800 series units with bottom-entry fill-valve inlets.
- System Protection: Helps prevent electrical faults and ensures proper communication between the control board and solenoid valves.
- High-Quality Construction: Built to meet rigorous HVAC standards for long-lasting durability and steady performance.
Is this compatible with all Aprilaire 800 models?
The Aprilaire 5529 is the universal replacement for Model 800 and 801 units where the fill valve inlet extends from the bottom of the housing.
Why is my humidifier not powering up?
A tripped or failing transformer is a common cause. If your unit has no lights or power, testing for 24V output from the Aprilaire 5529 is a primary troubleshooting step.
Can I install this myself?
While designed for easy installation, it involves 120V/240V line voltage. We recommend installation by a qualified HVAC technician to ensure proper wiring and safety.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Aprilaire 5529 Transformer
The Aprilaire 5529 Transformer is a genuine OEM replacement component designed specifically for the Aprilaire Model 800 Steam Humidifier and Aprilaire 865 systems. This 40VA transformer is the essential power source for units featuring a fill-valve inlet that extends from the bottom of the housing. By converting line voltage to a consistent 24V AC, it ensures that your whole-home humidifier maintains peak electrical performance and system protection.
Whether you are addressing a humidifier not turning on or performing a routine system upgrade, this universal transformer provides a perfect fit for both older and newer Model 800 series units. Engineered for long-term durability, it supports the critical operation of the control board and fill valves, helping to restore optimal indoor air quality in residential and commercial environments. Professionals and homeowners alike rely on the Aprilaire 5529 for its robust 24V power supply and seamless compatibility with Aprilaire part 5529 specifications.
Key Benefits:- Direct OEM Replacement: Ensures full compatibility with Aprilaire Model 800 and 865 steam humidifiers.
- Reliable Power Delivery: Provides a stable 40VA power rating (24V AC) to support consistent system operation.
- Universal Application: Specifically designed for 800 series units with bottom-entry fill-valve inlets.
- System Protection: Helps prevent electrical faults and ensures proper communication between the control board and solenoid valves.
- High-Quality Construction: Built to meet rigorous HVAC standards for long-lasting durability and steady performance.
Is this compatible with all Aprilaire 800 models?
The Aprilaire 5529 is the universal replacement for Model 800 and 801 units where the fill valve inlet extends from the bottom of the housing.
Why is my humidifier not powering up?
A tripped or failing transformer is a common cause. If your unit has no lights or power, testing for 24V output from the Aprilaire 5529 is a primary troubleshooting step.
Can I install this myself?
While designed for easy installation, it involves 120V/240V line voltage. We recommend installation by a qualified HVAC technician to ensure proper wiring and safety.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Aprilaire 5529 Transformer is a genuine OEM replacement component designed specifically for the Aprilaire Model 800 Steam Humidifier and Aprilaire 865 systems. This 40VA transformer is the essential power source for units featuring a fill-valve inlet that extends from the bottom of the housing. By converting line voltage to a consistent 24V AC, it ensures that your whole-home humidifier maintains peak electrical performance and system protection.
Whether you are addressing a humidifier not turning on or performing a routine system upgrade, this universal transformer provides a perfect fit for both older and newer Model 800 series units. Engineered for long-term durability, it supports the critical operation of the control board and fill valves, helping to restore optimal indoor air quality in residential and commercial environments. Professionals and homeowners alike rely on the Aprilaire 5529 for its robust 24V power supply and seamless compatibility with Aprilaire part 5529 specifications.
Key Benefits:- Direct OEM Replacement: Ensures full compatibility with Aprilaire Model 800 and 865 steam humidifiers.
- Reliable Power Delivery: Provides a stable 40VA power rating (24V AC) to support consistent system operation.
- Universal Application: Specifically designed for 800 series units with bottom-entry fill-valve inlets.
- System Protection: Helps prevent electrical faults and ensures proper communication between the control board and solenoid valves.
- High-Quality Construction: Built to meet rigorous HVAC standards for long-lasting durability and steady performance.
Is this compatible with all Aprilaire 800 models?
The Aprilaire 5529 is the universal replacement for Model 800 and 801 units where the fill valve inlet extends from the bottom of the housing.
Why is my humidifier not powering up?
A tripped or failing transformer is a common cause. If your unit has no lights or power, testing for 24V output from the Aprilaire 5529 is a primary troubleshooting step.
Can I install this myself?
While designed for easy installation, it involves 120V/240V line voltage. We recommend installation by a qualified HVAC technician to ensure proper wiring and safety.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












