Whirlpool 30"(76.2 CM) Installation Instructions Manual page 6

Must include a shutoff valve:
The supply line must be equipped with a manual shutoff
valve. This valve should be located in the same room but
external to the cooktop opening, such as an adjacent
cabinet. It must be accessible without removing the cooktop,
and it should be in a location that allows ease of opening and
closing. Do not block access to shutoff valve. The valve is for
turning on or shutting off gas to the cooktop.
A
A. Gas supply line
B. Shutoff valve "open" position
C. To cooktop
Gas Pressure Regulator
The gas pressure regulator supplied with this cooktop must be
used. The inlet pressure to the regulator should be as follows for
proper operation:
Natural Gas:
Minimum pressure: 5" (12.7 cm) WCP
Maximum pressure: 7" to 14" (17.8 cm to 35.5 cm) WCP
LP Gas:
Minimum pressure: 10" (25.4 cm) WCP
Maximum pressure: 14" (35.5 cm) WCP
Contact local gas supplier if you are not sure about the inlet
pressure.
6
B
C
Burner Input Requirements
Input ratings shown on the model/serial rating plate are for
elevations up to 2,000 ft (609.6 m).
For elevations above 2,000 ft (609.6 m), ratings should be
reduced at a rate of 4% for each 1,000 ft (304.8 m) above sea
level (not applicable for Canada).
Gas Supply Pressure Testing
Gas supply pressure for testing regulator must be at least
1" water column pressure above the manifold pressure shown on
the model/serial rating plate.
Line pressure testing above ½ psi gauge (14" WCP)
The cooktop and its individual shutoff valve must be disconnected
from the gas supply piping system during any pressure testing of
that system at test pressures in excess of ½ psi (3.5 kPa).
Line pressure testing at ½ psi gauge (14" WCP) or lower
The cooktop must be isolated from the gas supply piping system
by closing its individual manual shutoff valve during any pressure
testing of the gas supply piping system at test pressures equal to
or less than ½ psi (3.5 kPa).