Description
Product Summary
The Honeywell ET401A1 is a transformer from Honeywell, described by the manufacturer as: 110 VAC 50/60 hz gas ignigtion transformer NO rajah connector. It is rated for 110V. It replaces Q652B1006.
A control transformer steps line voltage down to the low voltage, usually 24 volts, that runs the thermostat, controls and valves. Replace a transformer with no output voltage while it has correct input voltage, or one that is burnt or overheating. Find any short that blew the original first.
Before you order, match ET401A1 to the part number on the part you are replacing or in your equipment's repair parts list, and confirm the voltage, size and connections match your equipment. If you are not sure which part your equipment needs, call us at 1.888.509.3391 with the model and serial number and we will confirm it for you.
Key Features
- Genuine Honeywell part: Manufacturer part number ET401A1, factory new.
- Voltage: 110V.
- Cross-reference: Replaces Q652B1006.
- Part type: Transformer.
Frequently Asked Questions
Is this a genuine Honeywell part?
Yes. This is the Honeywell ET401A1, a factory-new transformer from Honeywell.
How do I make sure it fits my equipment?
Compare ET401A1 with the part number printed on the part you are replacing or listed in your equipment's repair parts list, and confirm the voltage and connections match. If you are not sure, call us at 1.888.509.3391 with your model and serial number and we will confirm it.
What part numbers does the ET401A1 replace?
The Honeywell ET401A1 replaces Q652B1006.
What size transformer do I need?
Match the primary and secondary voltages and choose a VA rating equal to or higher than the original.
Should a professional install this part?
Yes. Gas, electrical, hydronic and combustion components should be installed by a qualified technician who can test the system afterward and follow the codes that apply where you live.
