Mars 50354 Control Transformer 40VA 24V OEM FOR HVAC Furnace AC Thermostat
Real photos | Tested
Shipping
Depends on item size and packaging.
Returns
Limited 14-day coverage on eligible issues.
Local pickup
Available in Taylorsville, UT.
Included and condition
Included
- Mars 50354 Control Transformer
- User manual
- Mounting hardware
- Box not included for used items
Condition
- Graded New Open Box. Use the listing photos for final cosmetic review.
- No major extra issues are called out in the listing text beyond what is shown in the photos.
Pickup and support
Pickup location
5500 S Redwood Rd Ste 203
Taylorsville, UT 84123
Mon-Sat 11AM-6PM
Call or text
Share the SKU at 3857156888 if you want a quick confirmation before ordering or pickup.
Get directionsProduct overview
Discover the Mars 50354 Control Transformer, an essential component for your HVAC systems, available in 'New Open Box' condition. This reliable NEMA Class II transformer is designed to convert primary voltages of 120V, 208V, or 240V AC at 60Hz into a stable 24V AC output, making it perfect for powering thermostats, relays, and contactors. With a 40VA power rating, this transformer ensures efficient operation of your heating and cooling systems. At TamDo.us, we prioritize customer satisfaction, offering secure checkout, fast shipping within 1-2 business days, and a 14-day return policy. Enjoy free shipping on orders over $150 and rest assured that you are purchasing a quality pre-owned product with clear condition notes and real product photos.
Key features
- ✓40VA power rating
- ✓Converts 120V, 208V, 240V AC to 24V AC
- ✓Ideal for HVAC systems
- ✓Foot-mount design for easy installation
- ✓Compact open-frame construction
Product details
What's included
- 📦Mars 50354 Control Transformer
- 📦User manual
- 📦Mounting hardware
- 📦Box not included for used items
Confirm exact contents in the product photos. Accessories vary per unit.
🌐 Why buy on TamDo.us
Buying pre-owned electronics on TamDo.us means lower prices than retail without sacrificing quality. We photograph each item in our Utah warehouse so you see exactly what you're buying — not stock images. Orders ship fast (1-2 business days) with tracking, and we offer 14-day returns on material defects. Need to inspect in person? Visit our local store at TamDous.com.
Frequently asked questions
What is the condition of the Mars 50354 Control Transformer?
The transformer is in 'New Open Box' condition, ensuring reliable performance.
How quickly will my order ship?
We ship within 1-2 business days from Utah, ensuring fast delivery.
Is there a return policy?
Yes, we offer a 14-day return policy for your peace of mind.
What voltage does this transformer support?
It supports primary voltages of 120V, 208V, or 240V AC.
Can I use this transformer for my thermostat?
Absolutely! It's designed to power thermostats, relays, and contactors.
Is there free shipping available?
Yes, enjoy free shipping on orders over $150!
How do I ensure secure checkout?
We provide a secure checkout process to protect your personal information.
