MG3P Installation Manual

25
Figure 35. Typical Gas Connections
Upflow Models
Gas
Valve
See
Note “B”
Pipe
Nipple
See
Note “B”
Right Side Entry
Left Side Entry
See
Note “A”
See
Note “A”
Shut-Off
Valve
Ground
Joint
Union
Drip Leg
Burner
Assembly
Downflow Models
Burner
Assembly
Manifold
Manifold
Gas
Valve
Drip Leg
Shut-Off
Valve
Elbow
Elbow
Pipe
Nipple
Plug
Ground
Joint
Union
Ground
Joint
Union
Right Side Entry
Left Side Entry
See
Note “B”
See
Note “B”
Manifold
See
Note “A”
See
Note “A”
NOTE A: Consult local codes for Shut-Off Valve location requirements
NOTE B: Inducer assembly omitted for clarity of pipe installatio
Burner
Assembly
Manifold
Dr
ip Leg
Dr
ip Leg
Shut-Off
Valve
Shut-Off
Valve
Gas
Valve
Gas
Valve
Pipe
Nipple
Pipe
Nipple
Plug
Ground
Joint
Union
Elbow
Elbow
Ground
Joint
Union