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EN
©2021 Hestan Commercial Corporation
13
GAS CONNECTION - NATURAL GAS (NG)
NOTE : To ensure proper heating performance of this appliance, verify that the gas line supply
pressure is adequate. Use only the gas pressure regulator supplied with this appliance. This regulator is
set for a supply pressure of 7” WC [1.74 kPa] to maintain 4” WC [1.00 kPa] outlet (manifold) pressure.
Use a minimum 3/8” ID flex hose to prevent gas starvation. Ensure that the service pipe supplying the
Pizza Oven is fitted with a shut-off valve conveniently positioned and easily accessible as an emergency
gas shut-off.
Your Hestan Pizza Oven for use with Natural Gas is supplied with its own pressure regulator which
MUST BE USED. If this regulator needs to be replaced, use only the type specified by Hestan for this
appliance.
To connect the gas supply, follow the next steps:
1. The regulator should be mounted beneath the appliance as shown in this diagram. The shut-off
valve mentioned previously is shown as well. Use appropriate hard-piping and fittings, with a short
flex hose for the final connection to the back of the appliance.
2. Connect gas supply to appliance using a minimum 3/8” ID flexible (semi–rigid) stainless steel gas
hose, no more than 48” [1.2m] in length with flare fittings. Be sure to use proper fittings and a
flexible hose as short as possible to make the connection. The hose as well as the connectors must
comply with the
Standard for Connectors for Outdoor Gas Appliances and Manufactured Homes,
ANSI Z21.75 • CSA 6.27
, and suitable for outdoor installation. Use the appropriate thread sealant
on all threaded connections (not flare fittings).
3. Proceed to LEAK TESTING section.
GAS AND ELECTRICAL CONNECTIONS
(cont.)
SUPPORT LEDGE
3/8” ID FLEX HOSE
w/ FLARE CONNECTIONS
GAS SUPPLY AND
SHUT-OFF VALVE
REGULATOR AND
ADAPTER FITTING
(included)
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