
AT140A1018 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.00 | Condition is New, New Honeywell AT140A 1018 Transformer 120/208/240V In 24V 40VA Out 60 Hz Primary, shipping cost = $8.50 | 100.0% |
![]() | $18.24 | Condition is New, Honeywell AT140A 1018 Foot Mounted 120/208/240V Transformer, 9" Lead Wire, 40 VA, FREE SHIPPING | 99.9% |
![]() | $19.99 | Condition is New, NEW HONEYWELL AT140A-1018 POWER TRANSFORMER, FREE SHIPPING | 100.0% |
![]() | $19.99 | Top Pick! Condition is New, Honeywell AT140A1018 Transformer 120/208/240V In 24V 40VA NEW in Box, FREE SHIPPING | ![]() |
![]() | $12.50 | Condition is New, HONEYWELL AT140A 1018 TRANSFORMER, shipping cost = $10.00 | 99.4% |
![]() | $13.97 | Condition is New, Honeywell AT140A1018 universal Transformer 120/208/240V out 24V 40VA AT140A 1018, shipping cost = $9.02 | 100.0% |
![]() | $14.99 | Condition is New, Honeywell AT140A1018 universal Transformer 120/208/240V out 24V 40VA, shipping cost = $8.61 | 100.0% |
![]() | $14.99 | Top Pick! Condition is New, Honeywell AT140A1018 Transformer 24VAC, 40VA 120/208/240V 60Hz Primary, shipping cost = $8.99 | ![]() |
![]() | $22.95 | Condition is New, ClimaTek Transformer 24v 120/208/240v 40VA Fits Honeywell AT140A1018 AT40A1121, FREE SHIPPING | ![]() |
![]() | $22.99 | Condition is New, Honeywell AT140A1018 universal Transformer 120/208/240V out 24V 40VA AT140A 1018, FREE SHIPPING | 100.0% |
![]() | $15.25 | Condition is New, HONEYWELL AT140A 1018 TRANSFORMER 085267000062, shipping cost = $8.00 | 99.1% |
![]() | $12.99 | Condition is New, HONEYWELL AT140A 1018 TRANSFORMER, shipping cost = $13.59 | 99.8% |
![]() | $12.99 | Condition is New, HONEYWELL AT140A 1018 TRANSFORMER, shipping cost = $13.59 | 99.8% |
![]() | $25.00 | Top Pick! Condition is New, Honeywell AT140A1018 universal Transformer 120/208/240V out 24V 40VA AT140A 1018, FREE SHIPPING | 99.7% |
![]() | $17.99 | Condition is New, Honeywell AT140A1018 Transformer, shipping cost = $9.00 | 99.7% |
![]() | $14.99 | Condition is New, NEW Honeywell AT140A1018 universal Transformer 120/208/240V out 24V 40VA, shipping cost = $14.10 | 100.0% |
![]() | $14.99 | Condition is New, New Honeywell AT140A1018 Transformer 120/208/240V In 24V 40VA Out Lennox 10P17, shipping cost = $14.10 | 100.0% |
![]() | $20.00 | Condition is New, Honeywell AT140A1018 Transformer 120/208/240V In 24V 40VA Out Lennox 10P17 - NIB, shipping cost = $9.35 | 99.9% |
![]() | $29.03 | Condition is New, Honeywell AT140A1018 40VA General-Purpose Transformer, Foot Mounted, FREE SHIPPING | 99.5% |
![]() | $30.44 | Condition is New, Honeywell AT140 A 1018 Transformer AT140A1018, FREE SHIPPING | 99.9% |
![]() | $25.00 | Condition is New, Honeywell AT140A1018 Transformer 120V - 24V, shipping cost = $8.00 | 99.8% |
![]() | $33.99 | Top Pick! Condition is New, Honeywell AT140A1018 Transformer, FREE SHIPPING | 99.9% |
![]() | $36.63 | Condition is New, HONEYWELL AT140A1018 AT140A1018 40VA TRANS 120/208/240V-24V(P,F,K)M, FREE SHIPPING | 97.8% |
![]() | $24.99 | Condition is New, HONEYWELL AT140A1018 TRANSFORMER 24VAC, 40VA 120/208/240V 60Hz PRIMARY NEW, shipping cost = $13.63 | ![]() |
![]() | $37.09 | Condition is New, HONEYWELL AT140A1018 AT140A1018 40VA TRANS 120/208/240V-24V(P,F,K)M, FREE SHIPPING | 98.6% |
![]() | $35.59 | Condition is New, 1Pc Honeywell AT140A1018 Vac Transformer, shipping cost = $8.97 | 99.5% |
![]() | $29.99 | Condition is New, Honeywell /AT140A1018 /Transformer/ 120/208/240V /60H/In 24VA/ 40VA Out/NEW(L124, shipping cost = $19.02 | 99.4% |
![]() | $34.00 | Condition is New, New Honeywell AT140A1018 Transformer 120/208/240V In 24V 40VA Out Lennox 10P17, shipping cost = $15.10 | 100.0% |
![]() | $37.00 | Condition is New, HONEYWELL AT140A1018 / AT140A1018 (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $49.98 | Condition is New, Honeywell AT140A1018 Transformer 40 VA 120/208/240 VAC Primary 27 VAC Secondary, FREE SHIPPING | ![]() |
![]() | $71.86 | Condition is New, New HONEYWELL HOME AT140A1018 40VA FOOT MOUNTED 120/208/240 VAC TRANSFORMER, shipping cost = $38.18 | 99.1% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $20.00 | Condition is New – Open box, Honeywell AT140A1018 24V Transformer New Open Box, FREE SHIPPING | 99.6% |
![]() | $12.50 | Condition is New – Open box, Vintage HONEYWELL AT140A 1018 TRANSFORMER, shipping cost = $9.02 | 100.0% |
![]() | $15.00 | Condition is New – Open box, HONEYWELL AT140A1018 Control Transformer Primary 120 208 240 VAC Secondary 24 VA, shipping cost = $6.00 | 99.9% |
![]() | $22.63 | Condition is New – Open box, Resideo Honeywell AT140A 1018 - Transformer, Foot mounted 120/208/240V 24 VAC, FREE SHIPPING | 99.8% |
![]() | $24.00 | Condition is New – Open box, HONEYWELL AT140A1018 TRANSFORMER 120/208/240 VOLTS, FREE SHIPPING | 99.4% |
![]() | $11.89 | Condition is New – Open box, Honeywell AT140A1018 Transformer 24VAC, 40VA 120/208/240V 60Hz PRIMARY New OS, shipping cost = $14.95 | 99.8% |
![]() | $19.95 | Condition is New – Open box, Honeywell 120/208/240V, 60 Hz Primary - 24VAC 40VA Transformer # AT140A 1018, shipping cost = $8.85 | 99.3% |
![]() | $20.00 | Condition is New – Open box, Honeywell Transformer AT140A 1018, shipping cost = $7.88 | 100.0% |
![]() | $15.24 | Condition is New – Open box, Honeywell Transformer AT140A1018, shipping cost = $13.41 | 99.5% |
![]() | $29.95 | Condition is New – Open box, HONEYWELL AT140A 1018 TRANSFORMER, FREE SHIPPING | 100.0% |
![]() | $17.99 | Top Pick! Condition is New – Open box, Honeywell AT140A 1018 Transformer 24 VAC 40 VA 120/208/240 V New, shipping cost = $14.10 | 99.7% |
![]() | $28.00 | Top Pick! Condition is New – Open box, Honeywell AT140A1018 Transformer 24VAC 40VA 120/208/240V New (Open Box), shipping cost = $5.00 | 99.1% |
![]() | $17.00 | Condition is New – Open box, HONEYWELL AT140A1018 TRANSFORMER 24VAC 40VA NSMP, shipping cost = $17.41 | 99.9% |
![]() | $34.00 | Condition is New – Open box, Honeywell AT140A1018 Voltage Transformer 40va 240v-ac 24v-ac, FREE SHIPPING | ![]() |
![]() | $24.95 | Condition is New – Open box, OEM HONEYWELL AT140A1018, 40VA FOOT MOUNTED 120/208/240Vac TRANSFORMER, shipping cost = $14.94 | 100.0% |
![]() | $29.00 | Condition is New – Open box, HONEYWELL AT140A1018 / AT140A1018 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.75 | Condition is Used, Honeywell AT140A1018 universal Transformer 120/208/240V out 24V 40VA TradeLine, shipping cost = $5.00 | 99.8% |
![]() | $14.99 | Condition is Used, Honeywell AT 140A 1018 44K6 Transformer Class 2 24V 40UA *FREE SHIPPING*, FREE SHIPPING | 99.7% |
![]() | $15.00 | Condition is Used, Honeywell AT140A1018 universal Transformer 120/208/240V out 24V 40VA TradeLine, FREE SHIPPING | 100.0% |
![]() | $9.99 | Condition is Used, Honeywell AT140 A 1018, 40VA Transformer, New, shipping cost = $7.99 | 100.0% |
![]() | $12.50 | Condition is Used, NOS Honeywell AT140A 1018 Transformer 24VAC 40VA 120/208/240 60Hz, shipping cost = $8.50 | 100.0% |
![]() | $20.00 | Condition is Used, HONEYWELL AT140A1018 Transformer 102/208/240V SEC 24V 40VA, FREE SHIPPING | 99.9% |
![]() | $7.99 | Condition is Used, HONEYWELL AT140A1018 TRANSFORMER, shipping cost = $15.43 | 99.7% |
![]() | $16.09 | Condition is Used, HONEYWELL MPLS MN CLASS 2 TRANSFORMER 179H AT140A1018, shipping cost = $7.90 | 99.2% |
![]() | $15.00 | Condition is Used, Honeywell Transformer AT140A1018, shipping cost = $10.15 | 99.1% |
![]() | $25.00 | Top Pick! Condition is Used, Honeywell Transformer AT140A1018 40VA Pri:120/208/240V Sec: 24V 60Hz Used 9-, FREE SHIPPING | 98.8% |
![]() | $20.00 | Condition is Used, Honeywell AT140A1018 Transformer 120/208/240V Input 24VAC 40VA Used , shipping cost = $7.90 | 100.0% |
![]() | $9.99 | Condition is Used, HONEYWELL TRANSFORMER 24 VAC 40 VA AT140A1018, shipping cost = $19.45 | 99.5% |
![]() | $17.99 | Condition is Used, Honeywell AT140A1018 Transformer 24VAC, 40VA 120/208/240V , shipping cost = $12.90 | 100.0% |
![]() | $29.69 | Condition is Used, 2 LOT Honeywell Transformer AT140A1018 Pri:120/208/240V Sec: 24VAC 40VA Class 2, FREE SHIPPING | 99.5% |
![]() | $19.86 | Top Pick! Condition is Used, HONEYWELL AT140A1018 / AT140A1018 (USED), shipping cost = $12.90 | 99.7% |
![]() | $19.00 | Condition is Used, Honeywell AT140A1018 Universal 120/208/240 Vac Transformer W/Lead Wires Meta, shipping cost = $16.50 | 99.0% |
![]() | $20.00 | Top Pick! Condition is Used, Honeywell Transformer AT140A1018 40VA Pri:120/208/240V Sec: 24V 60Hz Used, shipping cost = $16.88 | 100.0% |
![]() | $19.99 | Condition is Used, HONEYWELL AT140A1018 Transformer, shipping cost = $18.15 | 99.2% |

The Honeywell AT140A1018 Resideo 24V Transformer is a versatile and reliable power solution designed for use with various security and automation systems. This transformer is suitable for both residential and commercial applications and can be used with 120V, 208V, or 240V primary voltages.
The transformer is rated for a secondary output voltage of 24V and has a maximum output power of 40VA. It is designed to provide a stable and consistent power supply to the connected devices, ensuring optimal performance. The transformer is compact in size, making it easy to install and integrate into existing systems.
The Honeywell AT140A1018 Resideo 24V Transformer is built with high-quality components and is designed to withstand the rigors of continuous use. It features a robust construction, with a powder-coated steel enclosure that protects against dust and moisture.
The transformer is also UL listed, ensuring compliance with the highest safety standards. It is also RoHS compliant, meaning it is free of certain hazardous materials.
The transformer comes with a 2-year limited warranty, providing peace of mind to the user. Its universal voltage input makes it a flexible option for various installation scenarios, making it a popular choice among installers and system integrators.
In summary, the Honeywell AT140A1018 Resideo 24V Transformer is a reliable and versatile power solution for security and automation systems. It is suitable for use with various primary voltages, has a compact size, and comes with a 2-year limited warranty. Its high-quality construction, UL listing, and RoHS compliance make it a safe and eco-friendly option for powering your devices.
Honeywell AT140A1018 Resideo Transformer: A Comprehensive Analysis
The Honeywell AT140A1018 Resideo transformer is a versatile power supply solution designed for various security systems. This transformer can operate on different voltage inputs, including 120V, 208V, and 240V, and can output 24V at 40VA. In this analysis, we will discuss the advantages and disadvantages of this transformer to help you make an informed decision.
Advantages:1. Versatility: The transformer's ability to operate on multiple voltage inputs makes it a suitable option for various installations, eliminating the need for multiple transformers for different voltage requirements.
2. High Power Output: With a 40VA output capacity, this transformer can power multiple security devices, reducing the need for additional transformers in larger installations.
3. Robust Construction: The transformer's durable design ensures reliable performance, even in harsh environments, making it an excellent choice for commercial and industrial applications.
4. Energy Efficiency: The transformer's efficient power conversion helps reduce energy waste and save on electricity costs over time.
Disadvantages:1. Size and Weight: The transformer's larger size and weight compared to single-voltage transformers might require additional mounting or installation considerations.
2. Cost: The cost of the Honeywell AT140A1018 Resideo transformer is higher than that of single-voltage transformers due to its versatility and high power output.
3. Complexity: The transformer's ability to operate on multiple voltage inputs might require a more skilled installer to configure correctly.
Conclusion:Overall, the Honeywell AT140A1018 Resideo transformer is a worthy investment for installations requiring versatility, high power output, and robustness. Although it comes with a higher cost and additional complexity, the benefits it offers, such as energy efficiency and the elimination of the need for multiple transformers, make it a valuable addition to any security system.
Recommendation:If you are looking for a transformer that can handle various voltage inputs and power multiple security devices, the Honeywell AT140A1018 Resideo transformer is an excellent choice. However, consider your installation requirements, budget, and installation expertise before making a decision. For smaller installations or those with simpler voltage requirements, a single-voltage transformer may be a more cost-effective solution.
Details:
specifications centrafurn:
- brand: Honeywell
- mpn: At140a1018
- non-domestic product: No
- type: Central Furnace
- ec range: A E
- heating system: Boiler
shipping centrafurn:
- class: economy
- transit: 3-7 days
- type: fixed
- service: economy
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
seller centrafurn:
- rating: 99.6%
- # reviews: 4284
- city: newark, new jersey
payments centrafurn:
- other
- credit card: diners-club
- wallet: paypal
offer centrafurn:
- availability: in stock
- options: ship-to-home
- started: february 26, 2025
- sold #: 24
- prices: $7.99–$71.86
- item condition:
- New
- New – Open box
- Used
- in stock #: 5
returns centrafurn:
- policy: returns accepted
- time: 60 days
- paid by: buyer
- method: money back
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