Crown Boiler TWB Series, Installation Instructions Manual

Page: 26 / 56

24
FIGURE 9.1: TANKLESS HEATER PIPING
X Fuel Line Piping
Fuel line piping design, materials and construction must be in accordance with local building codes, requirements of the lo -
cal authority having jurisdiction, and, the latest edition of the Standard for the Installation of Oil-Burning Equipment (ANSI/
NFPA 31) in the United States and CSA B139-04 for installation in Canada. Refer also to the instruction manuals provided
with the burner.
WARNING
• Under no circumstances can copper with sweat style connectors be used.
• Do not use compression fittings.
• Oil piping must be absolutely airtight or leaks or loss of prime may result.
• Some jurisdictions require the use of a fusible shutoff valve at the tank and/or the burner.
in addition, some jurisdictions require the use of a fusible electrical interlock with the
burner circuit. Check your local codes for special requirements.