Boiler & Radiator Repair in 16th Street Heights, Washington, DC

Last updated November 5, 2026

Plenty of 16th Street Heights rowhouses still heat with a boiler and cast iron radiators. They are reliable for decades, until a circulator, valve or igniter gives out on a cold night. That goes for all of 16th Street Heights, any hour.

16th Street Heights homes

16th Street Heights has larger detached and semi-detached colonials and Tudors from the 1920s and 1930s, plus some rowhouses on the side streets.

Boilers in 16th Street Heights colonials frequently run two or three zones, and a stuck zone valve leaves one floor cold. We test each zone valve and the boiler controls together, because one stuck valve can look like a boiler problem.

Signs you need boiler & radiator repair

• Pilot or igniter will not light
• Combi boiler with no hot water
• Water leaking at the boiler base
• Radiators cold on one floor

How we handle it

Safety first on the flue and gas train, then a zone-by-zone check so the fix covers the whole house, not just the first radiator.

Many 16th Street Heights boilers serve large cast iron radiators. If a few radiators are warm but others are cold, a sticking zone valve or failed circulator is a common cause.

What we run into in 16th Street Heights

In 16th Street Heights we see zoning boards that stop talking to one floor, attic air handlers that overflow their drain pans, and boilers that need their expansion tanks replaced.

16th Street Heights boiler & radiator repair questions

Pricing

Circulators, valves and igniters are common, reasonably priced repairs. You approve the price before work starts.