FAQ - Frequently Asked Questions
Browse our FAQs by topic
FAQ's for PT Boiler
- How do I know if the fire side of the Heat Exchanger needs to be cleaned?
- What is the best way to clean the Heat Exchanger?
- What is a E-15 Sensor Drift?
- What is a E-04?
- E-99 Communication buss error?
- How do I gain access to the installer settings?
- The Excellence boiler not making enough Hot DHW, What do I do?
- How do I conduct combustion analyzer testing?
Find My Product’s Serial Number
- Where can I find the serial number on a PA unit?
- Where can I find the serial number on a PT unit?
- Where can I find the serial number on a PS unit?
- Where can I find the serial number on a Challenger?
- Where can I find the serial number on the Marquis?
- Where can I find the serial number on the Keystone?
- Where can I find the serial number on the Smart or Comfort tank?
