Benchmark 4000 and 5000N

Condensing, gas-fired, fire tube boiler, compact footprint, 4000 and 5000 MBH

  • Condensing, gas-fired, fire tube boiler
  • Compact footprint
  • 4000 and 5000 MBH

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA