Hearth & Home Technologies SAPPH-D-CSB User Manual

Page of 56
Page  24
                 September 1, 2008
Quadra-Fire · Sapphire · 250-7233H
Mounting Screws
Pressure Regulator Tower
Diaphragm
Figure 6.6
   Turn control knob to the OFF position, ensure that 
gas supply to the valve has been turned off. Using a Torx 
TH20, or slotted screwdriver, remove the three pressure reg-
ulator mounting screws (A), pressure regulator tower (B)
and diaphragm (C).
2. Valve Regulator Replacement
Remove upper and lower back shield.  Loosen the set col-
lars on the extension rods with the 3/32 in. Allen wrench.  
Remove the rods and adapter cap.
Fire Risk.
Explosion Risk.
  Disconnect any electrical cords and 
turn off gas supply to unit before 
proceeding if converting fuel on an 
appliance already fully installed.
WARNING
IMPORTANT NOTE! The orifice supplied with the con-
version kit is for installations with vertical rise.  If your 
appliance was fitted with the rear vent kit, the correct 
conversion orifice was supplied WITH THE REAR VENT 
KIT. 
PROPANE
NATURAL GAS
Top Vent
.063 (52 DMS)
.106 (36 DMS)
Rear Vent 
(no vertical)
.059 (53 DMS)
.096 (41 DMS)
Figure 6.5
   Replace orifice with the proper size as indicated 
below for your gas type and venting. Re-install burner. Slide 
burner neck into shutter and over orifice. Re-install burner 
pan locators on left and right side of the burner.  Secure with 
one screw to each side.
Replace logs, glass door and front.
Replace pilot injector with the one supplied in the conversion 
kit (#35 for Propane, #62 for Natural Gas).  
NOTE: The injector is ONLY replaced if you are convert-
ing to another gas. It is not replaced for a change 
from top to rear vent.
Replace pilot hood, snapping into position.
Remove main burner orifice using a 5/8" wrench.