Find the manufacture year of any Burnham boiler from the serial number.
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How to decode the serial number
Burnham is one of the oldest boiler manufacturers in the US, founded in 1873. US Boiler Company manufactures Burnham, New Yorker, and Governa brands. Serial format encodes year and week.
1980 to Present
First two digits = year, next two = week.
172312345678
Position
Meaning
Example
1–2
Year — 2017
17
3–4
Week — Week 23
23
5+
Sequence — Ignore
12345678
Where to find the serial number
Data plate is on the front jacket panel or inside the boiler jacket door.
For older boilers, the rating plate may be inside the front jacket.
Decoded examples
172312345678
→ Week 23, 2017
17 = 2017, 23 = week 23
953212345678
→ Week 32, 1995
95 = 1995, 32 = week 32
Life expectancy
Expected lifespan: 25–35 years for cast iron Burnham boilers. Burnham cast iron boilers are exceptionally durable.
Common questions
Burnham cast iron boilers are among the most durable heating appliances made. 30+ year lifespans are common. The cast iron sections resist corrosion and thermal stress far better than steel heat exchangers.
First two digits = year (80–99 = 1980s-90s, 00–25 = 2000s-2020s). Next two digits = week of manufacture.