Plumbing Technical References - Mendota D30 Installation And Operating Instructions Manual

3.6 PLUMBING TECHNICAL REFERENCES

Gas Supply Requirements
NOTE: If Fireplace insert is to be operated with LP gas, see Chapter
this manual before proceeding.
CORRECT GAS PRESSURE AND PROPER GAS SUPPLY LINE SIZING IS IMPERATIVE TO THE SUCCESSFUL PERFORMANCE OF YOUR
MENDOTA GAS FIREPLACE INSERT. BE SURE THE GAS SUPPLIER OR PLUMBER CAREFULLY CHECKS FOR CORRECT GAS PRESSURE
AND GAS LINE SIZING WHEN INSTALLING THE FIREPLACE INSERT.
IT IS CRITICAL TO CAREFULLY CHECK FOR GAS LEAKS WHEN HOOKING UP THE FIREPLACE INSERT. CHECK WITH SOAP AND
WATER SOLUTION OR COMBUSTIBLE GAS SNIFFER.
BE SURE TO INSTALL CSST FLEX GAS LINE WITH BRASS-TO-BRASS FITTINGS TO PREVENT GAS LEAKS AT CONNECTIONS.
GAS SUPPLY PIPING MUST INCLUDE A DRIP LEG TO ELIMINATE THE POSSIBILITY OF CONTAMINANTS ENTERING THE GAS
TRAIN. ADHERE STRICTLY TO LOCAL AND NATIONAL CODES.
Gas Supply Line Sizing
This Mendota Gas Fireplace Insert comes equipped with a 1/2" N.P.T. Female inlet. Gas supply piping can enter the Fireplace
Insert cabinet on the left or right side.
Use the table, below, to determine the proper gas line diameter that must be installed to run from the supply regulator to the
inlet end of the main gas valve. Refer to the following table for proper gas pipe diameters.
PIPE LENGTH
[FEET]
0-10
10-40
40-100
100-150
150-200
NOTE: Some areas allow copper tubing or galvanized pipe - check with local approval agencies and codes NEVER use plastic
85-03-01071
SCHEDULE 40 PIPE
INSIDE DIA.
NAT.
1/2" [1.3 cm] 3/8" [1.0 cm]
1/2" [1.3 cm] 1/2" [1.3 cm]
1/2" [1.3 cm] 1/2" [1.3 cm]
3/4" [2.0 cm] 1/2" [1.3 cm]
3/4" [2.0 cm] 1/2" [1.3 cm]
Figure 3-39 Gas Pressure Test Ports
D30 DEEP TIMBER
4.5 Natural Gas to LPG Conversion
L.P. NAT.
1/2" [1.3 cm]
5/8" [1.6 cm]
3/4" [2.0 cm]
7/8" [2.3 cm]
7/8" [2.3 cm]
pipe.
TUBING, TYPE L
OUTSIDE DIAMETER
L.P.
3 /8" [1.0 cm]
1 /2" [1.3 cm]
1 /2" [1.3 cm]
5 /8" [1.6 cm]
3 /4" [2.0 cm]
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