![background image](http://html.mh-extra.com/html/htp/mod-con-300-hl/mod-con-300-hl_installation-and-maintenance-manual_2179405001.webp)
120 Braley Rd. P.O. Box 429
East Freetown, MA 02717-0429
www.htproducts.com
LP- 205 REV. 3.18.11
Mod Con
INSTALLATION
START-UP
MAINTENANCE
PARTS
Mod Con Models
300 / 500 / 850
LP / HL / LPHL
This manual must only be used by a qualified heating installer/service technician. Read all
instructions in this manual before installing. Perform steps in the order given. Failure to comply
could result in substantial property damage, severe personal injury, or death.
NOTICE:
HTP reserves the right to make product changes or updates without notice and will not be held
liable for typographical errors in literature.
Summary of Contents for Mod Con 300 HL
Page 13: ...13 Figure 2 ...
Page 31: ...31 Figure 13 ...
Page 37: ...37 J SIDEWALL VENTING DIAGRAMS Figure 16 Sidewall Venting with Tee and Coupling ...
Page 38: ...38 Figure 17 Sidewall Venting Diagrams ...
Page 39: ...39 K VERTICAL VENTING DIAGRAMS Figure 18 Two Pipe Roof Venting with Tee and Coupling ...
Page 40: ...40 Figure 19 Roof and Sidewall Venting with Stainless Steel ...
Page 44: ...44 E GAS VALVE Figure 21 ...
Page 45: ...45 Figure 22 ...
Page 55: ...55 Figure 28 Mod Con Internal Connection Diagram ...
Page 73: ...73 Figure 32 ...
Page 74: ...74 Figure 33 ...
Page 75: ...75 Figure 34 ...
Page 76: ...76 Figure 35 ...
Page 77: ...77 Figure 36 ...
Page 80: ...80 ...
Page 81: ...81 ...
Page 82: ...82 MAINTENANCE NOTES ...