HVAC transformer — QE, QTR-403E, Control Transformer, Rating Va 40, Primary VAC 120/208/240, w/ Base
The HVAC transformer (manufacturer part QTR-403E) is a genuine OEM transformer available at Cedars HVAC, your trusted source for heating, cooling, and refrigeration parts. We stock this transformer for fast nationwide shipping from our Miami warehouse, so contractors, facility managers, and homeowners can get the exact replacement they need without delay.
Product details
The QE class II control transformers are indispensable when providing a power source to the control circuit of air conditioning, refrigeration, or heating equipment. The QE control transformers offer a compact size which makes them ideal as replacement units. Coil cover assures a dust-proof operation, galvanized steel foot mount, and 50/60 Hz frequency.
Why buy from Cedars HVAC
Genuine OEM HVAC parts — not aftermarket substitutes
Contractor-friendly pricing on every transformer
Fast nationwide shipping from Miami, FL
Real HVAC expertise — call us at (305) 850-6693 if you need help confirming compatibility
Financing available through PayPal Pay Later
About this part
This HVAC transformer is part of our Transformers catalog. Contact us if you need help identifying compatible models or sourcing volume quantities. For installation guidance, always refer to the manufacturer documentation and consult a licensed HVAC technician where required.
Shipping and returns
Most HVAC transformer orders ship the same or next business day from Cedars HVAC in Miami, Florida. Standard ground shipping covers the continental United States, and expedited options are available at checkout. Returns are accepted within 30 days on unopened, uninstalled parts — see our return policy for full details. International shipping is available on request; contact our team for a quote.
Frequently asked questions
Is this part new and in stock? Yes, we list only in-stock items. The HVAC transformer ships from our Miami warehouse the same or next business day.
Will this transformer fit my equipment? Compatibility depends on the model and revision of your existing equipment. If you need help confirming fitment for the HVAC transformer, call us at (305) 850-6693 with your unit model number and we will confirm before you order.
Can I get a contractor or wholesale discount? Yes. Cedars HVAC offers volume pricing for licensed HVAC contractors, property managers, and resellers. Request contractor pricing or call us to set up an account.
$45.00
$50.49
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