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HVAC transformers provide essential voltage conversion for control circuits, ignition systems, and other electrical components, ensuring safe, reliable, and efficient operation. Properly functioning transformers prevent system faults, protect sensitive equipment, and maintain consistent HVAC performance.
-13%Siemens MT0050M Control Transformer 50VA 240/460V Primary 120/240V SecondarySpecial Price $120.37 Regular Price $138.43
-13%Siemens Industrial Controls MT0100A Control Power Transformer 100VA 240-460V PRI/120V SECSpecial Price $109.62 Regular Price $126.07
-10%York S1-025-15798-700 Step-Down Transformer 240/480-120/140V 250VASpecial Price $559.16 Regular Price $620.67Out of stock
-10%Siemens Industrial Controls MT0300M 300VA Transformer 240-480V PRI 120-240V SECSpecial Price $270.75 Regular Price $300.53
-13%Siemens Industrial Controls MT0150B Transformer 240/480V-24V 150VASpecial Price $132.27 Regular Price $152.11
-13%Siemens Industrial Controls MT0075M Transformer Control Primary 240/480V Secondary 120/240V 75VASpecial Price $123.65 Regular Price $142.20- -10%Siemens Industrial Controls MT0250M Transformer 240/480V - 120/240V 250VACSpecial Price $215.80 Regular Price $239.54
- -13%Siemens Industrial Controls MT0050A Transformer 50VA 240/480V-120VSpecial Price $81.28 Regular Price $93.47
- -23%York S1-3300-3861 Foot Mount Transformer 240V Primary 24V Secondary 40VASpecial Price $43.50 Regular Price $56.55
- -10%Siemens Industrial Controls MT0250B Transformer 240-480V Pri 24V Sec 250VASpecial Price $205.12 Regular Price $227.68
- -13%Honeywell 50017460-001 2-Internal Transformer 24 VAC 24/120-240VSpecial Price $148.45 Regular Price $170.72
Control & Ignition Transformer Replacements for HVAC Systems
HVAC transformers are vital components in heating, ventilation, and air conditioning systems, providing the necessary voltage conversion to power control circuits, ignition systems, and other electrical components safely and efficiently.
Common types of HVAC transformers include control transformers, step-down transformers, high-voltage transformers, and ignition transformers, with voltage ranges from 12V up to 17,500V. Properly functioning transformers are critical for smooth operation; worn or failing units can lead to ignition issues, erratic control signals, or even system shutdowns, emphasizing the importance of timely inspection and replacement.
At PartsHnC, we offer a wide range of HVAC transformer replacements, including foot-mount transformers, plate-mount transformers, and high-voltage units. Trusted brands such as Siemens York, Honeywell, Amana-Goodman, and Trane ensure durable, high-performance components that keep HVAC systems safe, reliable, and operating efficiently.
FAQs
How do I know if my HVAC transformer is failing?
Signs include no power to controls, burning smells, tripped breakers, or erratic system behavior.
Can I replace an HVAC transformer myself?
Small control transformers may be replaced by experienced DIYers, but high-voltage or complex units should be handled by a professional.
How often should I inspect HVAC transformers?
Regular inspections every 6–12 months help detect wear, overheating, or loose connections before failures occur.
How do I test an HVAC transformer?
Use a multimeter to check primary and secondary voltages; ensure output matches rated specifications without signs of overheating or short circuits.
How do I choose the right HVAC transformer?
Select based on voltage, amperage, and application type, ensuring compatibility with your system’s control and ignition requirements.