*PLUMBERSSTOCK EXPERT* responded:
Thank you for your interest in the Bradford White 265-43972-02! According to the manufacturer, the burner tube is 5/8” diameter while the lengths correspond to the different heaters’ sizes. 8-1/4” x 3-7/16” to the 30 gallons, 8-1/4” x 4-7/16” for the 40 gallons and 8-1/4” x 5-7/16” for the 50 gallons. Always remember to click Add to Cart to confirm your order, enter your zipcode and you’ll be all set! 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 @ firstname.lastname@example.org. You can also sign up for our Newsletter!