Photo of two different types of boilers.

Small Boilers (150 MBtuh or less)

  • Replacement of boilers up to about 150,000 Btuh are better represented by WI 10006 – Water heaters

  • Typical Life – 15 Years

  • Often need replacement to improve system efficiency – older boilers are @ 60%, condensing are 90+%

  • Unit of measure is "each"