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If the cable is damaged, cracked, or worn, the system may try to light but fail to ignite the gas. Replacing a worn cable helps restore reliable ignition.
Specifications
- Part number: 18187
- Brand: Ultrafryer
- Part type: Ignitor cable
- Height: 1.75 in / 4.45 cm
- Length: 26 inch
- Width: 1 In
- Volts: must be the same, often 120 V
- Material: silicon carbide or nitride, as listed
- Shape and mount: must fit the same bracket
From the maker's and parts sellers' listings for this number. Compare them with the label on your old part.
What the Ignitor Cable Does
An ignitor cable carries the electrical signal needed to ignite the gas supply. An igniter heats up to light the gas. When this setup is cracked or worn, the system tries to start but never lights.
Because igniter parts can be brittle, handle the entire assembly with care. Do not touch any glowing element with your fingers, as skin oil can shorten its operating life.
Understanding the 18187 Specs
When you check your old cable against this part number, match the dimensions listed in the equipment specifications.
The physical measurements for this specific item include:
- Height: 1.75 in / 4.45 cm
- Length: 26 inch
- Width: 1 In
Confirming a Match
Replacement parts must match the physical mount and electrical needs of the old setup. Igniter assemblies must have the same voltage, often 120 V, though some furnace systems run on 80 V and are not interchangeable.
Make sure the shape and mount fit the same bracket. The material must also match the design, such as silicon carbide or silicon nitride.
How to Replace the Cable Safely
Before unplugging anything, take a photo of every wire. This helps you track how the assembly connects to the rest of the unit.
Move wires one at a time to the same spots on the new part. Avoid pulling tightly on the wire terminals. Once everything is secured, restore the gas and power.
Read your old part
- Look for part number 18187 printed directly on the old cable, jacket, or packaging tag.
- Verify the brand name on the equipment or part manual is Ultrafryer.
- Measure the existing part to confirm the length of 26 inch, width of 1 In, and height of 1.75 in / 4.45 cm.
- Confirm the mounting ends and connector shape match your existing bracket and ignition setup.
When to call a pro
Hire a licensed technician if you are not sure you can complete the repair safely. Any gas valve work means opening gas lines and setting gas pressure, which a licensed tech should always handle.
Questions
Can I touch the igniter element during installation?
No, you should never touch the element with your fingers. Igniters are brittle, and skin oil can shorten their working life.
What should I do if I smell gas while checking the cable?
Do not touch any switch. Leave the house right away and call your gas company from outside.
What are the dimensions of the Ultrafryer 18187 cable?
It has a length of 26 inch, a width of 1 In, and a height of 1.75 in / 4.45 cm.
Can I bypass a safety switch to test if the ignitor cable works?
Never bypass any safety device. Switches such as flame sensors, limit switches, and rollout switches protect your equipment and home.
Related part numbers
- 19A738Ignitor Rod Assembly, UltrafryerSame brand and type
- 18186Igniter, UltrafryerSame brand and type
- 1009524Igniter Reference Guide, HeilSame part type
- 18A291Air Pressure Switch, UltrafryerSame brand
- 100110899Water Heater 100110899 Igniter, A.O. SmithSame part type
- 2400-286Igniter, Bradford WhiteSame part type
- 18A333Relay, UltrafryerSame brand
- 100112456Igniter, A.O. SmithSame 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.