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If you are holding an old part with the number 9181010-14, this guide helps you read the physical ratings, understand its dimensions, and confirm proper fit.
Specifications
- Part number: 9181010-14
- Brand: Ice O Matic
- Part type: Relay
- Amps: 35A
- Height: 1.65 in / 4.19 cm
- Length: 2.2 in / 5.59 cm
- Voltage: 400VAC
- Width: 1.95 in / 4.95 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.
What this relay does
A relay functions as an automatic switch. A control signal energizes an internal coil, which pulls electrical contacts together or pushes them apart. This action permits electrical power to reach high load parts such as motors or compressors.
When a relay fails, the contacts may stick shut, burn open, or the coil may stop responding. When this happens, the connected equipment will fail to start or will refuse to turn off.
Understanding the 9181010-14 specifications
Every relay has defined electrical limits and outer case sizes. The specifications for part number 9181010-14 must match your system needs exactly to run properly.
- Voltage: 400VAC
- Current rating: 35A
- Length: 2.2 in / 5.59 cm
- Width: 1.95 in / 4.95 cm
- Height: 1.65 in / 4.19 cm
How to confirm a replacement matches
When checking a replacement part against the 9181010-14, compare the markings on the label. Never guess on electrical numbers.
Keep these matching rules in mind:
- Coil volts: must be the same
- Action: same contacts, like SPDT or DPDT
- Amps or delay: same or higher rating, same delay
Replacing the relay safely
Relays handle line voltage that can cause serious injury. Follow clear safety practices during any inspection or replacement task.
- Turn off electrical power to the equipment at the main breaker panel.
- Use a meter to test for power at the relay and verify the circuit is completely dead.
- Take a clear photo of every wire connected to the terminals.
- Move wires one at a time to the matching spots on the replacement relay to prevent wiring errors.
- Secure the relay in its mounting location before restoring power.
Read your old part
- Look at the printed face or casing of your existing relay.
- Verify that the part number stamped on the body is 9181010-14.
- Check that the voltage rating reads 400VAC.
- Confirm that the amp rating reads 35A.
- Measure the physical footprint to ensure it fits the space: 2.2 in / 5.59 cm long, 1.95 in / 4.95 cm wide, and 1.65 in / 4.19 cm high.
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 testing tools to verify that power is off, stop and call a professional.
Questions
What is the purpose of a relay?
A relay is a small switch run by a low voltage coil. It allows a low power control circuit to switch power to larger electrical parts.
Can I use a relay with a lower amp rating than 35A?
No. When matching a relay, the amp rating must be the same or higher. Using a lower amp rating can cause the relay to fail or overheat.
Why is it important to photograph the wires first?
Take a photo of every wire before you remove the old one. This ensures you can reconnect each wire to the exact same terminal on the new part.
Must the coil voltage match the old relay?
Yes. The coil voltage must be the same on any replacement relay so the control board or thermostat signal can energize it properly.
Related part numbers
- 9181010-27Relay, Ice-O-MaticSame brand and type
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- 9181010-10Relay Reference, Ice-O-MaticSame part type
- 1011514-42Condenser Fan Motor Guide, Ice-O-MaticSame brand
- 1052-00033-00Solid State Relay Reference, FetcoSame part type
- 9101170-02Relay Reference Guide, Ice-O-MaticSame part type
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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.