
3666U Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $10.70 | Condition is New, BECKETT 3666U KNURLED NUT (SPLINED NUT) FOR NOZZLE LINE, FREE SHIPPING | 98.7% |
![]() | $3.01 | Condition is New, BECKETT 3666U KNURLED NUT (SPLINED NUT) FOR NOZZLE LINE, shipping cost = $8.95 | 99.9% |
![]() | $17.33 | Condition is New, Beckett Igniter 3666U NUT 3/8 SPLINED, FREE SHIPPING | 99.7% |
![]() | $19.99 | Top Pick! Condition is New, Beckett 3666U Bulkhead Fitting Locknut Replacement 3666U, FREE SHIPPING | ![]() |
![]() | $23.19 | Condition is New, Beckett Igniter 3666U , FREE SHIPPING | 98.6% |
![]() | $8.96 | Condition is New, Beckett 3666U Bulkhead Locknut AF AFII 85 150 CF Oil Burner, shipping cost = $24.33 | 97.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $10.00 | Condition is Very Good, Beckett Igniter 3666U Nut 3/8 Splined USED **TESTED**, FREE SHIPPING | 98.5% |



The Beckett Igniter 3666U Nut, with a 3/8-inch splined design, is a crucial component in various gas appliances, particularly in pilot ignition systems. This nut is specifically designed to secure the igniter assembly to the burner, ensuring a reliable and consistent ignition process.
The nut is manufactured from high-quality materials, ensuring durability and resistance to corrosion, even in harsh environmental conditions. Its 3/8-inch splined design allows for a secure and precise fit with the corresponding igniter assembly, ensuring a tight and leak-free connection.
The Beckett Igniter 3666U Nut is an essential replacement part for any homeowner or professional servicing gas appliances. Its easy-to-install design makes it a convenient choice for DIY enthusiasts, while its robust construction makes it a reliable choice for professionals.
In conclusion, the Beckett Igniter 3666U Nut is a vital component in maintaining the safe and efficient operation of your gas appliances. Its precision engineering, durability, and ease of installation make it an excellent choice for both DIY enthusiasts and professional technicians.
Pros of buying Beckett Igniter 3666U Nut 3/8 Splined:1. High Quality: Beckett is a reputable brand known for manufacturing high-quality parts for various appliances, including furnaces and water heaters. The 3666U nut is no exception, as it is made to withstand high temperatures and pressures.
2. Compatibility: The nut is specifically designed for 3/8 splined igniter assemblies, ensuring a perfect fit and easy installation.
3. Durability: The nut is made of stainless steel, making it resistant to corrosion and rust, ensuring a long lifespan.
Cons of buying Beckett Igniter 3666U Nut 3/8 Splined:1. Price: Beckett products are generally more expensive than generic or off-brand alternatives. This might be a concern for budget-conscious consumers.
2. Availability: Depending on your location, finding a local retailer carrying Beckett products could be a challenge.
Conclusion:The Beckett Igniter 3666U Nut 3/8 Splined is an excellent choice for anyone seeking a reliable, high-quality, and durable nut for their appliance. Its compatibility with 3/8 splined igniter assemblies makes it an ideal choice for those looking for a hassle-free installation. Although it may be more expensive than some alternatives, the long lifespan and reliability of the product justify the investment. If you can find a retailer that carries Beckett products, we recommend investing in this high-quality nut for your appliance.
Details:
specifications maxohvac:
- brand: Beckett Igniter
- mpn: 3666u
returns maxohvac:
- policy: no returns
shipping maxohvac:
- carrier: usps
- type: calculated
- service: usps ground advantage
- transit: 3-9 days
- class: standard
seller maxohvac:
- city: glen allen, virginia
- rating: 99.0%
- # reviews: 2541
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
payments maxohvac:
- credit card: mastercard
- wallet: google-pay
- other
offer maxohvac:
- sold #: 23
- options: ship-to-home
- in stock #: 5
- prices: $3.01–$23.19
- item condition:
- New
- Very Good
- availability: in stock
- started: november 5, 2024







