IBC INTERGAS SFT 199 User Manual

3-5
STARTUP AND COMMISSIONING
SFT 199 TANKLESS WATER HEATER
Figure 29: Back Flow Valve
Figure 30: Blower and Gas Valve Assembly
WARNING
Each SFT series unit is
equipped with a back fl ow
valve installed at the outlet of
the fan. Inspect the back fl ow
fl apper annually.
3.4.1 Gaining access to combustion chamber, burner
removal instructions
DISASSEMBLY
1. Turn off the main power switch to the unit.
2. Turn off the gas supply valve to the unit.
There is no need to drain the unit unless the unit will be exposed to freezing
conditions while off.
3. Remove the front cover, and allow the unit to cool.
4. Unplug the electrical connector at the gas valve and fan.
5. Loosen the lower gas valve connection nut.
NOTE: There is an O-ring in the lower gas connection and an O-ring and
ori ce in the upper gas valve connection. Place these in a safe location to
be used for reassembly. Cover the gas piping connections to prevent debris
from entering the gas piping.

IBC INTERGAS SFT 199 Specifications

General

Brand	IBC
Model	INTERGAS SFT 199
Category	Water Heater
Language	English