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SKU: 228717

Save 39% · Retail: $71.60

In Stock and Ready to Ship!

Ships From Price Qty
Massachusetts Warehouse
Ships in 1-3 Days
$57.89/ea 1
Order From Manufacturer
Available to Ship in 4-5 weeks

Product Features

  • Lennox Product 75M21


4.5 out of 5 rating is our rating for PlumbersStock, we got that rating because we have lots of experience and great people with expertise in plumbing. BUT WE WANT YOUR HELP. This product doesn't have any reviews yet, and we don't want to write our own reviews. It is more valuable to us that the customers get to share their experience with our products. Please, if you have any experience with this product, take a moment to share and help someone else who is trying to make a decision. Thank you!

Questions & Answers


Good day! Yes, this product is what you're looking for. This Lennox 75M21 hot surface ignitor replaces the Lennox 75M2101 ignitor and is used for most of these series: G43UF-36B, G40DF-24A, G40DF-36A, G40DF-48C, G40DF-60C, G40DF-60D, G40UH-24A, G40UH-36A, G40UH-36B, G40UH-36C, G40UH-48B, G40UH-48C, G40UH-60C, G40UIH-60D, G43UF-24B,G43UF-48C, and G43UF-60D. Please don't forget to click on Add to Cart and enter your zip code if you're ready to place an order. Happy shopping at!


Good day! Thanks for your interest in our Lennox 75M21 hot surface ignitor. Here at, we work very hard to carry as many products as possible on site. But because we sell multiple items each and every day, our inventory numbers continually fluctuate. For availability inquiries or to better understand lead and ship times, please contact one of our knowledgeable customer service representatives @ 435-868-4020 or through e-mail @ They'll be glad to assist you with your concern. Have a great day!

Anonymous responded:

Do you have Lennox 75M21 in stock? Give me a straight anwser which is YES or NO.


Hi, there! Thank you for your interest in our Lennox 75M21 75M2101 ignitor. only sells brand new products! does not sell second hand or used items. We want to offer our customers the highest quality available. If you're interested, just click Add to Cart. On the next page, enter your zip code and you're all set. Thank you and we hope to see you again here ay!

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