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When the system sends power to the relay coil, the contacts change position to turn electrical loads on or off. If you are holding an old part with this number, checking its physical size and contact configuration will help you confirm a match.
Specifications
- Part number: 10283
- Brand: Gaylord
- Part type: Control relay
- Dimensions: 6.2 inches (L) x 4.1 inches (W) x 0.9 inches (H)
- Height: 0.9 in / 2.29 cm
- Length: 6.2 in / 15.75 cm
- Voltage: 120 Volt
- Width: 4.1 in / 10.41 cm
- Coil volts: must be the same
- Action: same contacts, like SPDT or DPDT
- Amps or delay: same or higher rating, same delay
From the maker's and parts sellers' listings for this number. Compare them with the label on your old part.
How a Relay Works
A relay is an electrically operated switch. Instead of flipping a switch by hand, a control circuit powers an internal magnetic coil. That coil pulls contacts together or pushes them apart to start or stop different components.
Relays protect sensitive control circuits from handling heavy electrical loads directly. They also allow a single control signal to manage multiple circuits at the same time.
Dimensions and Specifications
Matching the physical size ensures the part fits onto your existing mounting bracket or control board space. The specifications for this unit list dimensions of 6.2 inches (L) x 4.1 inches (W) x 0.9 inches (H).
Measuring the old unit against these numbers helps confirm physical fit before installation.
- Length: 6.2 in / 15.75 cm
- Width: 4.1 in / 10.41 cm
- Height: 0.9 in / 2.29 cm
Matching Electrical Ratings
When comparing a replacement to an old switch, electrical ratings must align properly. Never guess on contact arrangements or voltage requirements.
Make sure your replacement meets the specific rules required for relay components.
- Coil volts: must be the same as the original unit.
- Action: must have the same contact setup, such as SPDT or DPDT.
- Amps or delay: must have the same or higher amp rating, and the same delay timing if a delay is used.
Safe Removal and Installation Steps
Relays can fail if the coil burns out or if the internal electrical contacts wear down, stick, or pit over time. Follow these basic safety steps when swapping out an old part.
- Shut off electrical power at the main breaker box.
- Use a reliable meter to test the connections and verify that power is fully off.
- Take a clear photo of every wire connection on the old relay.
- Disconnect the mounting hardware holding the relay in place.
- Move the wires one at a time to the matching terminals on the new unit.
- Secure the new relay and restore electrical power to test operation.
Read your old part
- Look at the printed label on your existing relay body.
- Check that the brand name matches Gaylord.
- Confirm the part number printed on the housing is 10283.
- Measure the old part to see that it matches 6.2 inches long, 4.1 inches wide, and 0.9 inches high.
- Check that the coil voltage and contact type (such as DPDT) match your system requirements.
When to call a pro
Hire a licensed HVAC technician for any step you are not sure you can do safely. If you do not have a meter to verify power is off, or if you are uncomfortable handling wiring, stop and call a professional.
Questions
What does a relay do?
A relay is a small switch run by a low voltage coil. It uses that coil to open or close electrical contacts, allowing control circuits to run equipment components.
What physical measurements belong to the Gaylord 10283 relay?
The listed dimensions are 6.2 inches (L) x 4.1 inches (W) x 0.9 inches (H). This equals a length of 6.2 in / 15.75 cm, a width of 4.1 in / 10.41 cm, and a height of 0.9 in / 2.29 cm.
What electrical specs must match on a replacement relay?
The coil volts must be the same. The action must have the same contacts, such as SPDT or DPDT, and the amp or delay rating must be the same or higher.
What should I do before disconnecting any relay wires?
Turn off power at the breaker and test for power before touching any wire. Then, take a photo of every wire so you can move each wire one at a time to the exact same spot.
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Brand names and part numbers identify the part and show fit. HVAC Fitter is not affiliated with, authorized by, or endorsed by any equipment maker. If you are not sure a repair is safe for you, call a licensed HVAC technician.