Elite
Residential and
Commercial Boilers
Installation
Start-Up
Maintenance
Parts
Warranty
EL-80 / EL-110 / EL-150 / EL-220
EL-299 / EL-301 / EL-399
Models*
* “N” Denotes Natural Gas Operation
“LP” Denotes Propane Gas Operation
This manual must only be used by a qualied 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-293 Rev. 9.24.15
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
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