
EnduroTI
®
Commercial Boilers
Installation
Start-Up
Maintenance
Parts
Warranty
ETI-750 / ETI-1000 Models*
*“HL” Denotes Installed High and Low Gas
Pressure Switches
This manual must only be used by a qualified installer / service technician. Read all instructions in this manual before installing.
Perform steps in the given order. Failure to do so could result in substantial property damage, severe personal injury, or death.
HTP reserves the right to make product changes or updates without notice and will not be held liable for typographical errors
in literature.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.
272 Duchaine Blvd.
New Bedford, MA 02745
www.htproducts.com
LP-517 Rev. 000 Rel. 019 Date 7.21.20
Improper installation, adjustment, alteration, service, or maintenance could void product warranty and cause property
damage, severe personal injury, or death.
Heat Exchanger Bears the ASME “H” Stamp