Warranty Coverage for Thomas & Betts/Carlon Products
USA Customers: Phone: 1-800-346-2646Fax:(440) 914-8921Address:T&B Retail 32425 Aurora Rd. Ste: A Solon, OH 44139Attn: Customer Service Or you can reach them by email at techsupport@tnb.com Canada Customers: Phone: 1-888-777-7947Fax: 1-888-480-8818Address:Carlon/TNB700 Thomas Ave St.-Jean-sur-Richelieu, Quebec J2X 2M9
Updated: September 7, 2026Original publish date: November 22, 2021
USA Customers:
Phone: 1-800-346-2646
Fax:(440) 914-8921
Address:
T&B Retail 32425 Aurora Rd. Ste: A Solon, OH 44139
Attn: Customer Service
Or you can reach them by email at techsupport@tnb.com
Canada Customers:
Phone: 1-888-777-7947
Fax: 1-888-480-8818
Address:
Carlon/TNB
700 Thomas Ave St.-Jean-sur-Richelieu, Quebec J2X 2M9
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Which doorbell button do I need for a duplex?A duplex with one shared front door needs one button per unit on a single plate, so each visitor can ring the right household. Pick the Lee BC203 if the chimes are electronic or.Is there a doorbell button for three apartments?Yes. The Lee BC208 three-family station puts three unlighted buttons and three name plate pockets on one plate about 7 inches tall, in polished brass or polished chrome. Each.Can one transformer run two doorbell chimes in a two-family house?Yes, if the transformer has enough capacity. Two mechanical chimes on a 16V 10VA transformer is marginal; a 15VA unit such as the T1615 handles two, and a 30VA unit or the DH910.Can I keep separate transformers for each unit with a two-family button?Yes. Each button on a Lee two-family or three-family station is an independent switch with its own two terminals, and nothing on the plate connects one button to another. One.Why does my lighted doorbell button hum or not ring with an electronic chime?A lighted button passes a small current through its lamp and the chime all the time, which is what keeps the button glowing. Mechanical chimes with tone bars ignore that trickle..