Frequently Asked Questions & Frequently Cited Issues

“Condensing boilers are too complex. They are hard to set up and troubleshoot.”
  • Quick start guides
  • Out-of-box boiler and control performance
  • Functional testing on 100% of boilers shipped.
“Despite turndown, Low water volume condensing boilers still cycle too much.”
  • 10:1 Turndown
  • Sage Zone Control supports “Heat Matching” of boiler firing rates to zone sizes.
  • Adjustment-Low Fire hold

“What do you allow?”

  • Most USB condensing boilers have universal vent connectors that accept all.
“How do your boilers save time on this?”
  • Intuitive touch screen boiler control provides adjustments and guidance in plain language.
  • Easy quick-start guides to combustion analysis.
“Do you sell these?”
  • Yes – we offer a selection of combi boilers.
“How do we reduce labor on this?”
  • FastPipe read-made Primary/Secondary piping for K2WT Heating boilers.
“Condensing boilers do not last long. How long will yours last?”
  • U.S. Boiler uses the most reliable and popular stainless steel HXs in the world and name-brand major components. U.S. Boiler estimates that its boilers will longer than its various warranties if they are properly maintained.