About TRI Coils

TRI Coils is a service of Tunnessen Radiator, Inc., a USA-based family-owned and operated business in Hazleton, PA.

We are an established corporation ready to serve the needs of plumbers and plumbing contractors. Our staff is well informed and can help answer any question and handle any problem.

We stock many of the more popular coils for same-day shipment, meaning less down time and more satisfied customers.