Choosing the right 240V to 24V transformer is essential for reliable HVAC operation. The following five models offer direct compatibility with common Goodman Amana, White-Rodgers, Honeywell, and similar 24V furnace controls, with durable construction and straightforward installation. This guide compares features, installation notes, and typical applications to help professionals and homeowners select a dependable replacement or upgrade.
Summary of selected products
- 40VA HVAC Transformer 208/240V to 24V — FATKITT
- 0130M00138S 240V to 24V Transformer — ylongan
- Lusperi 240V to 24V Transformer 0130M00138S — Lusperi
- FATKITT Control Transformer 24V 40VA — FATKITT
- Fiada 240V to 24V Transformer Secondary 24V — Fiada
40VA 208/240V To 24V HVAC Transformer — FATKITT
The FATKITT 40VA transformer is designed as a direct plug-and-play replacement for common furnace controls such as Goodman Amana 0130M00138S and similar models. It supports 208V and 240V inputs, with five identified wires and included wire nuts for safe termination of unused primary leads. Its robust copper windings deliver stable conversion with minimal voltage drop, suitable for residential and light commercial use. This unit emphasizes reliability under load and cool operation.
Key features:
– Dual voltage input: 208V / 240V
– 24V secondary output
– Five wires with wire nuts included
– Durable construction for long-term use
0130M00138S 240V To 24V Transformer — ylongan
The 0130M00138S transformer is a 40VA unit with a 208/240V primary and a 24V secondary. It is designed to replace various OEM parts, including PF40224 and L38264, and is marketed as a reliable 240V to 24V furnace transformer for compatible Goodman Amana systems. The product emphasizes OEM-standard quality and long-lasting materials, making it suitable for both residential and light commercial HVAC installations where a 24V control circuit is required.
Key features:
– Primary: 208/240V, Secondary: 24V
– 40VA power rating
– OEM-replacement compatibility
– Built for durability in HVAC circuits
Lusperi 240V To 24V Transformer — 0130M00138S Compatible
The Lusperi transformer is positioned as a reliable 24V 40VA replacement for Goodman Amana furnaces and related models. It features a primary voltage of 208/240V and a 24V secondary, designed to deliver stable power in HVAC control circuits. The unit emphasizes easy installation and broad compatibility with brands and models that rely on a 24V control system. It is presented as a long-lasting solution for preventing transformer-related faults.
Key features:
– 208/240V primary, 24V secondary
– 40VA rating
– Broad compatibility with Goodman Amana and similar systems
– Easy installation and reliable performance
FATKITT 24V 40VA Control Transformer — Multi-Tap 120/208/240V
This FATKITT model is designed for multi-tap applications with a 24V secondary, suitable for HVAC controls, relays, and gas valves. The unit supports 120V, 208V, and 240V inputs with clearly identified wiring (WHT–BLK–RED–ORG) and a standard 24V secondary (RED–GRN). Features include a compact enclosure and foot mounting for easy installation in control boxes or panels. Output stability helps maintain reliable operation of control circuits in variable power environments.
Key features:
– 40VA, 24V secondary
– Multi-tap primary inputs: 120/208/240V
– Clear, color-coded wiring
– Foot mounting friendly design
Fiada 240V To 24V Transformer — 40VA, 0130M00138S Compatible
The Fiada transformer is marketed as a 40VA 24V replacement compatible with Goodman/Amana and other 0130M00138S-related parts. It supports primary voltages of 208/240V and a 24V secondary. The product description highlights wide compatibility with HVAC transformers and similar devices requiring a steady 24V supply, making it a practical option for replacements in standard control circuits.
Key features:
– Primary: 208/240V, Secondary: 24V
– 40VA rating
– Wide compatibility with Goodman/Amana and related part numbers
– Durable construction for HVAC control reliability
Buying Guide: Key Purchase Considerations
- Voltage compatibility: Ensure the transformer accepts your system’s primary supply (208V or 240V) and provides the correct 24V secondary for your controls.
- Power rating (VA): Choose a unit with at least the same VA rating as the original to prevent voltage drop under load. Most residential HVAC controls use 40VA; for larger systems, verify higher ratings.
- Compatibility with control circuits: Confirm the transformer is rated for Class 2 or is approved for use with furnace relays, gas valves, and thermostat circuits in your area.
- Wiring and installation: Look for clear wire identification, included lead wires, and mounting options (foot mount or enclosure fit) to simplify installation and maintain code compliance.
- Certifications and build quality: Durable copper windings and heat tolerance improve longevity in residential and light commercial environments.
- Brand compatibility: If replacing a specific OEM part (e.g., 0130M00138S or PF40224 variants), ensure the new transformer lists direct compatibility or broad cross-compatibility with the original model numbers.
- Installation safety: Verify that any unused primary lead is properly terminated and that all connections comply with local electrical codes. Use provided wire nuts or terminations as directed by the manufacturer.
- Replacement availability: Consider models with readily available replacements or broad compatibility to reduce downtime when service parts become scarce.
In selecting a transformer, balance the need for a precise 24V output with the system’s load requirements and installation environment. For standard Goodman Amana and similar HVAC systems, a 40VA transformer with 208/240V input and a 24V output typically provides reliable control voltage with minimal heat generation and long service life.