20 Best Elk Trg2440 24Vac 40 Va Ac Transformer of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Elk Trg2440 24Vac 40 Va Ac Transformer of 2023. Check our ranking below.

2,308 Reviews Scanned

Rank No. #1

Elk TRG2440 24VAC, 40 VA AC Transformer with PTC Fuse

Elk 24 VAC 40 VA resetting transformer

Rank No. #2

2 x Elk TRG2440 24VAC, 40 VA AC Transformer with PTC Fuse

Auto-Resetting (PTC) Fused Secondary

Rank No. #3

3 x Elk TRG2440 24VAC, 40 VA AC Transformer with PTC Fuse

Auto-Resetting (PTC) Fused Secondary

Rank No. #4

Elk TRG2440 120V, Wall Mount Power Supply, Overload Protection

Amps:0.430
Volts AC:120, 24
Phase:1
Type:Power Supply

Rank No. #5

Hotop 24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Competible with All Versions of Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi, Honeywell, 24V Adapter(1 Pack)

Eliminate doorbell/ thermostat underpower hassle: 24V 40VA plug-in transformer replaces and upgrades underpowered transformer with this 24V AC transformer
Specification: input voltage: 120 VAC, 60Hz; Output voltage: 24V, 40VA
Safe and stable: auto-resetting (PTC) fused secondary, LED green power indicator, positive/ negative/ screw terminals
Universal compatibility: this 24v transformer is compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell doorbell
Also compatible with Nest, Ecobee, Honeywell, and Sensi smart thermostats, and other devices that require constant 24-volt power for operation;

Rank No. #6

BOJACK EI Type Isolation Transformers PRI.120/208/240 V AC 50/60Hz 24 V AC 40 VA 4031F Class 2 Control Transformers with Foot Mount Replacement for Jard 4031F HVAC Furnace Multi Tap Packard 42440

BOJACK Hight Quality EI type Isolation Control Transformers
Primary Voltage: 120/208/240 V AC ,WHT-BLK-RED-ORG
Secondary Voltage: 24 V AC,RED-GRN
Power Rating：40 VA
Replacement for:Gemline GT446,Supco SXT105,UEI UET105, UET115,Grainger 6WU91,Jard 4031F,Mars 50203,White-Rodgers GT4031F, 90-T40F3,Grainger 6WU91,Armstrong TWF424-40,Source 1 S1-T2404F,Packard PF42440,Robertshaw 620-206, 620-406, 620-482,Honeywell AT140A1018, AT40A1121, AT40A1139, AT40B1214.

Rank No. #7

24V 40VA Control Transformer， Primary 120, 208, 240V Secondary 24V Isolation Transformers，24V Transformer with Foot Mount for HVAC Furnace Multi Tap

Primary Voltage: 120/208/240 V AC ,
Secondary Voltage: 24 V AC
Power Rating：40 VA
Compatibility: Transformers can be used in industrial, heating and air conditioning controls including air conditioning circuits, relays and gas valves or other applications up to the listed ratings
Directly tested with a multimeter is no-load voltage: AC26.6V-27.5V

Rank No. #8

Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer

【Power Multiple Thermostats/Doorbells】Replace and upgrade underpowered transformers with this 24V AC Transformer, while providing ample power to single or multiple thermostats and doorbells
【Specification】Input: 120 V/AC, 60 HZ; Output: 24 V AC at 40 VA, reliable performance and safe to use
【Wide Applications】Compatible with most brands of doorbells or thermostats, low voltage hardwired doorbell power supply for residential, commercial and industrial use
【Easy to Install】The doorbell transformer is easy to replace and install with screws, unscrews or threaded clips to the electrical box, in a safe place
【Customer Service】If any of our 24V 40VA doorbell transformers fail to meet your expectations, please contact us and we will try to solve the problem. If not resolved, you will get a refund or exchange

Rank No. #9

Endurance Pro 2 Pk EI Type Isolation Transformers PRI.120/208/240 V AC 50/60Hz 24 V AC 40 VA Class 2 Control with Foot Mount Replacement for Jard 4031F HVAC Furnace Multi Tap Packard 42440 Gemline

[Product description] This transformer is designed for use in industrial, heating and air conditioning controls, including thermostats, air conditioning circuits, relays, gas valves and other applications that do not exceed the listed rating
[Product specifications] Primary Voltage: 120/208/240 V AC ,WHT-BLK-RED-ORG. Secondary Voltage: 24 V AC, RED-GRN. Power Rating：40 VA
[Product dimensions] 4.1 x 2.8 x 2.7 inches
[Replacement for] Gemline GT446,Supco SXT105,UEI UET105, UET115,Grainger 6WU91,Jard 4031F,Mars 50203,White-Rodgers GT4031F, 90-T40F3,Grainger 6WU91,Armstrong TWF424-40,Source 1 S1-T2404F,Packard PF42440,Robertshaw 620-206, 620-406, 620-482,Honeywell AT140A1018, AT40A1121, AT40A1139, AT40B1214.
[Risk free shopping] UL/CSA approved parts assure safe operation and long life. This Endurance Pro part by Supply Edge comes with a 1 year no questions asked warr anty.

SaleRank No. #10

Maxdot Doorbell Transformer 24V 40VA Compatible with Ring Wired Video Doorbell, UL Certification Safe Wired 24 Volt Doorbell Kit, Easy to Install Door Bell Transformer for Home (1 Pcs)

【24V 40VA Doorbell Transformer】Input: 120V, 60 HZ; Output: 24V at 40 VA; Low voltage hardwired doorbell power supply for residential, commercial and industrial use, offers reliable performance, safe to use
【UL Certification】This doorbell transformer has UL Certification, which greatly improves safety and longevity, as transformer without this certification have a higher risk of circuit induced fire house problems during operation
【Compatibility】The transformer doorbell power supply compatible with Ring doorbell transformer, Nest, Ecobee, Sensi and Honeywell thermostat and doorbells
【Easy to Install】The 24V doorbell transformer is easy to replace and install, and can be screwed, threaded, or threaded clamped to the electrical box, and we provide clear wiring diagrams for proper wiring
【Professional Customer Service】Maxdot doorbell transformer focuses on high quality product and improving good customer service, if any doorbell transformer can't meet your expectation, please contact us and we will try our best to solve the problem; If the problem cannot be solved, you will be refunded or exchanged

Rank No. #11

CENTROPOWER 24V 40VA Plug-in Transformer,Doorbell AC Power Supply Adapter with PTC Fuse - Ring Doorbell and Thermostat, Compatible with Nest, Sensi

Upgrade your doorbell or thermostat power supply with the CENTROPOWER 24V 40VA plug in transformer, providing ample power for reliable operation.
This 24V 40W AC Adapter is and features an auto-resetting (PTC) fused secondary, LED Green Power Indicator, ensuring safe and stable performance.
With positive/negative/screw terminals and a green LED power indicator, installation and use of this doorbell power supply adapter is a breeze.
Universal compatibility with Ring doorbells, Nest,Sensi thermostats, as well as other devices requiring 24vac transformer power.
Say goodbye to underpowered and unreliable performance with the CENTROPOWER 120vac to 24vdc power supply, the perfect ring plug in adaptor for consistent and dependable power.

Rank No. #12

2 Pack 24V 40VA Control Transformer， Primary 120, 208, 240V Secondary 24V Isolation Transformers，24V Transformer with Foot Mount for HVAC Furnace Multi Tap (2)

Primary Voltage: 120/208/240 V AC ,
Secondary Voltage: 24 V AC ,
Directly tested with a multimeter is no-load voltage: AC26.6V-27.5V
Power Rating：40 VA
Compatibility: Transformers can be used in industrial, heating and air conditioning controls including air conditioning circuits, relays and gas valves or other applications up to the listed ratings

Rank No. #13

BOJACK 24V 40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell

Powers thermostats and doorbells: replace underpowered transformers
Input :120 VAC, 60 Hz; Output: 24 V/ 40 VA
This 24 Volt transformer is UL-certified, offers reliable performance
Easy to install: screw down and thread clamps to electrical box
This 24 V transformer fits for Nest, Ecobee, Honeywell and Sensi smart thermostats; Also compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, and other devices that require constant 24 volt power for operation

Rank No. #14

EPLZON 24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell

✅This 24 Volt transformer is UL-certified, offers reliable performance
✅Input :120 VAC, 60 Hz; Output: 24 V/ 40 VA
✅Easy to install: screw down and thread clamps to electrical box
✅Powers thermostats and doorbells: replace underpowered transformers
✅This 24 V transformer fits for Honeywell and Sensi smart thermostats; Nest, Ecobee,Also fit for Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, and other devices that require constant 24 volt power for operation

Rank No. #15

24V 40VA Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap with Foot Mount, 2 Yrs Warranty

Primary Voltage: 120/208/240 V AC. Secondary Voltage: 24 V AC
Certificated Safety - UL certificated, class 2 transformer. Sturdy quality and long last.
Compatibility - Transformers can be used in industrial, heating and air conditioning controls including air conditioning circuits, relays and gas valves or other applications up to the listed ratings
Product Details - Power rating 40VA. Dimensions 2.97x2.28x1.1inch (Refer to the image).
Guaranteed Quality - 2 Yrs product warranty. Please contact us if you have any questions.

Rank No. #16

HQRP Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap Power Supply Adapter C(UR) US Certified

HQRP® Replacement Transformer; Wide Compatibility: This Transformer Is Designed For Use In Industrial, Heating And Air Conditioning Controls, Including Thermostats, Air Conditioning Circuits, Relays, And Gas Valves Or Other Applications;
Input: 120V-208V-240V AC; Output: 24V AC; 40VA;
C(UR)US Listed; Safety Features: High Efficiency and Reliability;
1 Year warranty! EASY TO INSTALL: screw down or threaded clamp to electrical box, simple to wire up; Compatible With: 24V 40VA Transformer compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v Replacement;

SaleRank No. #17

24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat

Doorbell/Thermostat power solution: 24Vac 40VA wall transformer, using this Transformer to replace and upgrade the insufficient power transformer, can provide sufficient power for your thermostat and doorbell, save the trouble of frequent battery replacement
Specification: input voltage: 120 VAC, 60Hz; Output voltage: 24V, 40VA ,No-load output voltage: 26.6V,SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator
Compatible With: This transformer compatible for Honeywell, Nest, Ecobee, and Sensi smart thermostats; Also compatible with Video Doorbell, Video Doorbell 2, Video Doorbell Pro, Nest Skybell Doorbell。Note: The brand above is only for demonstrating compatibilityyy
Easy to install:Output with screw terminals, You can freely cut the connecting cable and arrange the cable according to the length you need to make the installation simple and beautiful
Multimeter test products: When using a multimeter to test products, pay attention to using an AC voltmeter or multimeter to test the output voltage value, and use a voltage tester to measure accurate voltage output data. The no-load voltage output measured by the multimeter is about 26.6-28V, which is normal and does not affect any use.

Rank No. #18

ELK TRG1640 AC Transformer 16.5VAC, 45 VA

Auto-Resetting (PTC) Fused Secondary
Green Power On LED
Grounding Prong & Terminal
Electrical outlet mounting tab
UL Listed, Wire Strain Relief, Lifetime Limited Warranty

SaleRank No. #19

Fiada 24V 40VA Control Transformer, UL Certified Primary 120, 208, 240V Secondary 24V, HVAC Furnace Transformer Multi Tap(1 Pack)

【UL Certified for Safe Use】This Class 2 transformer is UL Certified, so you can use it safely and confidently to transform voltage for connecting other applications.
【Specifications】Primary voltage: 120, 208, 240V. Secondary voltage: 24V. Power Rating：40VA volt amp. HVAC 24v transformer size: 3.7 x 2 x 2.2 inches.
【Easy to Set Up】Don't worry about wiring troubles, with a clear wiring diagram and foot mount design, you can complete the installation in a short time.
【Wide Application】This hvac transformer is designed for use in industrial, heating and air conditioning controls, including air conditioning circuits, relays, and gas valves or other applications that do not exceed the listed ratings.
【Guaranteed Quality】 We offer 2 Years product maintain. If you have any questions, please contact us as soon as possible, we will deal with it for you in time.

Rank No. #20

Criditpid 24V 40VA Control Transformer for Packard PF42440, White-Rodgers 90-T40F3, Jard 4031F, Supco SXT105, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap with Foot Mount, 2 Pack.

【The PF42440 Transformer Technical Specifications】★ Primary voltage: 120/208/240V, WHT-BLK-RED-ORG, 50/60Hz. ★ Secondary voltage: 24V, RED-GRN. ★ Power Rating: 40VA. 【Package includes】2 Pack Transformer.
【Replacement for Part Number】Gemline GT446, Supco SXT105, UEI UET105, UET115, Grainger 6WU91, Jard 4031F, Mars 50203, White-Rodgers GT4031F, 90-T40F3, Grainger 6WU91, Armstrong TWF424-40, Source 1 S1-T2404F, Packard PF42440, Robertshaw 620-206, 620-406, 620-482, Honeywell AT140A1018, AT40A1121, AT40A1139, AT40B1214.
【High Quality】The transformer can be used to replace any transformer of same primary voltage and equal or lower VA ratings. The 90-T40F3 furnace transformer replacement parts are made of durable high quality material and has been well tested by the manufacturer. It is meet OEM standard to ensure long lasting use.
【Easy Installation】The hvac transformers can be use with AC controls systems including industrial, heating, air conditioning circuits, thermostats, gas valves, relays and or other applications that do not exceed the listed ratings. It perfectly fits most top brands and easy to install to solve issues. Remember to disconnect the power before installing. Remember to wear work gloves to protect your hands and follow the repair video on YouTube for an easy installation.
【Great Customer Service】We are professional furnace replacement parts seller, and offer one year warranty for the PF42440 Transformer. Whether you encounter any problems before or after the purchase, you can contact us directly.

Last update on 2024-06-22 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Elk Trg2440 24Vac 40 Va Ac Transformer?

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20 Best Elk Trg2440 24Vac 40 Va Ac Transformer of 2023 – Romance University

How Do You Buy The Best Elk Trg2440 24Vac 40 Va Ac Transformer?

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