
16
CAUTION
: Two gas line installation at the same time is forbidden. Do not open the cover while
the machine is running.
Heater is pre-set at factory for propane gas; no changes are required for connecting to propane.
Only a qualified installer or service technician can perform gas selection and connecting to gas
supply. Overtightening of inlet gas line can cause a crack in the internal regulator.
CAUTION
: To avoid gas leakage at the inlet of regulator, a qualified installer or service
technician must use steel or metal hex plug with sealant.
For changing from propane to natural gas supply
1. Overturn chassis (see Fig. 10).
2. For NATURAL GAS, press in knob using a flat screwdriver with a blade the width of a quarter
and turn knob clockwise
until the knob locks into the NG position (see Fig. 11).
3. Remove steel or metal hex plug (with wrench provided) from natural gas inlet of regulator
and install into LP inlet of regulator, use thread sealant to assure there are no leaks.
For changing from natural gas supply to propane supply
1. Overturn chassis (see Fig. 10).
2. For PROPANE GAS, press in knob using a flat screwdriver with a blade the width of a
quarter and turn knob counterclockwise
until the knob locks into the LP position (see
Fig. 12). Selection valve must be locked into either the LP position or the NG position.
3. Remove steel or metal hex plug from LP gas inlet of regulator and install into NG inlet of
regulator, use thread sealant to assure there are no leaks.
Selection valve must be locked in the NG position. Do not operate heater between locked
positions!
Fig. 10
Fig. 12
Fig. 11
GAS SELECTION
NATURAL GAS
PROPANE GAS
PLUG
NATURAL GAS
PROPANE GAS
PLUG
Summary of Contents for SSEB18RT
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