TESTING GAS PRESSURE
Risk of fire and explosion. Improper installation, incorrect adjustment, alteration, service, or maintenance of the Combination
Gas Control Valve can lead to fire or explosi o n, causing loss of life, personal injury, and/or property damage. If it is necessary
to adjust the gas valve, this must be done by only by a qualified service agency. These instructions are for the use of
qualified service technicians only!
The use of Flexible Connectors (FLEX) is NOT recommended unle ss t hey are properly sized according to the
supplier recommendations for the heater rating.
MASTERTEMP
®
Pool and Spa Heater Installation and User's Guide
WARNING
C
onnection
T o Air Flow
for Service
Switch
To Gas
Valve Vent
CAUTION
G
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onnection
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Rev. H 9-5-12
Figure 7.
Table 7.