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White-Rodgers 21D64-2 HotRod LP/NG 120V Universal Hot Surface Nitride Ignitor

Collins Machinery Company
(8210)
Seller's other items
US $37.56
or Best Offer
or 4 interest-free payments of $9.39 available with
Condition:
New
Out of Stock75 sold
Shipping:
Free Standard Shipping.
Located in: Adrian, Missouri, United States
Delivery:
Estimated between Mon, Nov 24 and Sat, Nov 29 to 94104
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Seller does not accept returns.
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eBay item number:285019428923
Last updated on Oct 29, 2025 05:39:50 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Country of Origin
China
Compatible Brand
White-Rodgers 21D64-2
Item Thickness
1/4 in
Power Source
Corded Electric
Custom Bundle
No
Compatible Model
White-Rodgers 21D64-2
Year Manufactured
2022
Material
Silicon Nitride
MPN
21D64-2
Compatible Product
White-Rodgers 21D64-2
Item Length
3 in
Brand
White-Rodgers
Type
Hot Surface Ignitor
Voltage
120 V
Model
White-Rodgers 21D64-2
Item Weight
1 lb
UPC
Not Applicable
Category

Item description from the seller

About this seller

Collins Machinery Company

99.9% positive feedback•49K items sold

Joined Oct 2016
Usually responds within 24 hours
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

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Seller feedback (8,141)

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  • c***r- Feedback left by buyer.
    Past year
    Verified purchase
    Exactly what I was looking for, great product and a reasonable price. Thank you.
  • w***s (332)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Exactly as described.
  • a***m (391)- Feedback left by buyer.
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    fast shipping
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Product ratings and reviews

Learn more
4.7
36 product ratings
  • 32 users rated this 5 out of 5 stars
  • 2 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 2 users rated this 1 out of 5 stars

Good value

Would recommend

Good quality

Most relevant reviews

See all 27 reviews
  • by javajiven
    Dec 11, 2020Top favorable review

    So inexpensive, its worth having a spare!

    I received the first 21D64-2 ignitor in a control board kit. I used it to replace the old 80V ignitor. That was over 5 years ago. Its burning bright to this day doing its job of igniting natural gas. I purchased a second identical unit as a spare, since nothing lasts for ever. I expect that it will perform much the same as the first, if I end up needing it during the life of my furnace (its almost 15 years old). The ignitor is a low cost unit, and seems a great value, and as such it makes sense to own a spare. The plumbing and heating repairman will drop by after midnight on a holiday and replace your burned out one for 16X the price of one of these. If you can wield a screwdriver, and apply a couple wire splices, you can install this.

    Verified purchase: YesCondition: NewSold by: supplystuf

  • by douglas_milliken
    Dec 11, 2019Top critical review

    Looking for a better replacement

    This ignitor was already in the c.1995 natural gas hot water boiler (house heat) when I bought the house 12 years ago. These ignitors only last two-three years. I've started keeping a few in stock. The most recent failure was "fail soft" meaning that it barely lit the burner--sometimes there was delayed ignition and a pretty loud boom. The cold resistance is rated at 8-15 ohms, but "failed-soft" was 55 ohms (with a magnifying glass, a partial crack in the ceramic could be seen). Has anyone found a more rugged replacement that is about the same physical size and 120 VAC rated?

    Verified purchase: YesCondition: NewSold by: treyline

  • by jkwagner201
    Mar 28, 2019

    Great part to have on hand for a quick repair for a bad ignitor.

    These are great. I always keep on "in stock" at my house. Then when the igniter goes out, I can have my furnace back up and working in a half hour. This is a quick and easy repair and saves a service call. (This, of course, assumes you have some amount of mechanical aptitude and knowledge about how a gas furnace works. I assume no responsibility for you blowing yourself up.) Igniters WILL go bad. They sit in the flame always, so they will eventually burn through. I know that is true of the flat ones. They get brittle and crack. Maybe this new style will last longer.

    Verified purchase: YesCondition: NewSold by: vman_29

  • by psu81mt
    May 21, 2017

    Does it's job.

    This igniter is replacing a Robertshaw 41-413 that goes to a Carlin G3B burner. I had to make my own brackets for it, but I knew that when I bought it. The OEM Robertshaw igniter is almost twice the money and generally lasts less than 2 years. The Hot Rod has a 5 year warranty. We'll see how it goes. So far so good.

    Verified purchase: YesCondition: NewSold by: supplystuf

  • by E_ExkL5wSj6@Deleted
    Feb 20, 2019

    Not quite universal but a good value.

    Not quite universal but a good value. I had to drill my access hole out to fit the igniter, but for minimal effort I got a much better igniter ( hope it lasts longer than the factory 2 years). It has more material, which I translate into longer life.

    Verified purchase: YesCondition: NewSold by: supplystuf

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