Lochinvar MGN04030 Parts List
Lochinvar Parts & Service Department
300 Maddox Simpson Pkwy, Lebanon, TN 37090.
Phone: 615-889-8900 • Fax: 615-882-2918
Email: parts_team@lochinvar.com
RESIDENTIAL WATER HEATER PARTS LIST
MODELS: MGN03030, 04030, 05040
Series 400
15
16
9
MANIFOLD/BURNER ASSEMBLY
3
14
7
11
2
3
8
17
23
22
6
13
10
METAL DRAIN PAN
5
VAC
4
4
1
Lochinvar, LLC
300 Maddox Simpson Pkwy, Lebanon, TN 37090.
1-615-889-8900
www.lochinvar.com
PRINTED IN U.S.A. 06/15 PART NO. 100265501
Item Description
MGN03030
Series 400
MGN04030
Series 400
MGN05040
Series 400
Lochinvar LLC
300 Maddox Simpson Pkwy, Lebanon, TN 37090.
1-615-889-8900
www.lochinvar.com
3” (7.62 cm) dia. Air Duct Assembly (30- & 40-gal. models)1
4” (10.2 cm) dia. Air Duct Assembly (50-gal. models)1
Anode Rod2
Burner (Natural Gas)3
Burner (Propane [L.P.] Gas) 3
Drain Valve4
Gas Control Valve / Thermostat5
Inlet Tube6
Inner Door Gasket7
Manifold Component Block w/ Clip8
Manifold/Burner Assembly (Natural Gas)9
Manifold/Burner Assembly (Propane [L.P.] Gas)9
†
* 10
†
* 10
†
* 10
Metal Drain Pan (20" DIA for 30 gal.)
Metal Drain Pan (22" DIA for 40 gal.)
Metal Drain Pan (24" DIA for 50 gal.)
Nipple w/ Heat Traps11
#
#
12
12
Optional 3” (76mm) Outside Wall Intake Air Vent Kit
Optional 4” (102mm) Outside Wall Intake Air Vent Kit
Outer Door 13
Pilot Assembly with Tubing and Fittings (Natural Gas)14
Pilot Assembly with Tubing and Fittings (Propane [L.P.] Gas)14
Pipe Insulation* 15
Roof Jack 12” / 30.48 cm 16
Roof Jack 32” / 81.28 cm 16
Roof Jack 60” / 152.4 cm 16
Roof Jack 95” / 241.3 cm 16
Temperature-Pressure Relief Valve (T & P Valve)17
9008534005 9008534005 N/A
N/A N/A 9008535005
9003944005 9003944005 9003944005
9006136005 9006136005 9006136005
9006651005 9006651005 9006651005
9008458015 9008458015 9008458015
9008101005 9008101005 9008101005
9009195005 9009196005 9009196005
9006141015 9006141015 9006141015
9006449015 9006449015 9006449015
9008291005 9008293005 9008295005
9008292005 9008294005 9008296005
9000741005 N/A N/A
N/A 9001609005 N/A
N/A N/A 9002769005
9000415015 9000415015 9000415015
9008534005 9008534005 N/A
N/A N/A 9008535005
9006648005 9006648005 9006648005
9007882005 9007882005 9007882005
9008843005 9008843005 9008843005
9002445005 9002445005 9002445005
9002964005 9002964005 9002964005
9002965005
9002965005
9002965005
9002966005 9002966005 9002966005
9002967005
9000728015
9002967005 9002967005
9000728015 9000728015
†
Drain pan must be modified according to the installation instructions.
* Available at most hardware stores.
#
Not Shown.
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