Roberts Gorden GordonRay BH-175 - Manual (Page 8)

ROBERTS GORDON ® BH- S ERI E S S UBM IT TAL S HE E T
© 2004 Roberts-Gordon BEFORE IN ST AL LATI ON AND OPER ATI ON OF HEATI NG E QUIPMENT, READ AND U NDERSTAND T HE INSTALL AT ION, OPERATIO N AND SERVICE MANUAL .
APPL ICATION S, ENGI NEE RING AND DET AI LE D GUID ANCE ON SYST EMS DE SIGN, INSTAL LATI ON AND PRODUCT PE RFORMANCE IS AVAI LABLE UPON RE QUEST. ROBERT S GORDON
® PRODUCT S ARE T O BE
INSTAL LE D ONL Y IN ACCORDANCE WI TH L OCAL L AWS, CODES AND REGUL AT IONS, AND ONLY BY A CONT RACT OR QUALI FIE D I N THE I NST ALL AT ION AND SE RVICE OF GAS-FIRE D HE AT ING EQUI PME NT.
NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows.
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream
from where the burner and burner tube connect.
3. “-” indicates an unapproved application. Roberts-Gordon prohibits the installation of
this heater for all unapproved applications.
Venting
(inches) (centimeters)
Model A E F A E F
BH-40 14 18 18 36 46 46
BH-60 14 18 18 36 46 46
BH-80 20 24 18 51 61 46
BH-100 20 24 18 51 61 46
BH-115/125 20 24 18 51 61 46
BH-140/150 20 30 18 51 77 46
BH-175/200 20 30 18 51 77 46
Infrared Tubes
Vent
Pipes
Unvented
Vented
A E
F