Installation
RT-SVX35H-EN 37
Modulating
Flue Assembly Installation
1. Locate the flue assembly and the extension (refer to
Figure 21, p. 38 for extension usage).
2. Install the flue extension onto the flue assembly as
shown in Figure 21.
3. Slide the pipe clamp onto the heater flue tube located
inside the heater compartment.
4. Insert the tube on the flue assembly into the hole
located in the vertical support for the heat section.
5
. Butt both flue tube sections together and center the
pipe clamp over joint.
6. Using the pre-punched holes in the flue assembly,
extension, and the vertical support, install the
appropriate number of mounting brackets. Refer to
Figure 21 for details.
Figure 17. 500 and 850 MBH - unit gas trains (natural
gas)
Figure 18. 500 and 850 MBH - unit gas trains (natural
gas)
Figure 19. 235 and 350 MBH -
unit gas trains (natural
g
as)
Figure 20. Modulating gas valve
Burner NozzleBurner Nozzle
Pilot Shutoff ValvePilot Shutoff Valve
Pilot Solenoid ValvePilot Solenoid Valve
Pilot Regulator ValvePilot Regulator Valve
Pilot Shutoff ValvePilot Shutoff Valve
Modulating Gas ValveModulating Gas Valve
Shutoff ValveShutoff Valve
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