Lochinvar USN Application guide

18
2
5
1
19
4
3
12
14
13
10
8
9
16
12
11
17
6
7
15
RGU-RP-A
Replacement Parts List
Residential Gas Ultra Low NOx
USN, UTN Models
PARTS & SERVICE DEPARTMENT
Nashville, Tennessee
615-889-8900 • Fax: [phone]
www.Lochinvar.com

©-6/08—Printed in U.S.A.
ITEM DESCRIPTION MODEL/PART
NO. NUMBERS
UTN030G USN030G UTN041G USN041G UTN040G-4 UTN050G
1 DRAFT HOOD DRH1020 DRH1021 DRH1021 DRH1021 DRH1021
1 DRAFT HOOD DRH1020 DRH1020 DRH1020 DRH1020 DRH1020 DRH1020
2 ANODE, MAGNESIUM WTR1019 WTR1015 WTR1019 WTR10000 WTR10002 WTR10001
3 COLD WATER INLET TUBE WTR10004 WTR10003 WTR10006 WTR10005 WTR10009 WTR10007
4 FLUE BAFFLE JKT10002 JKT1010 JKT1008 JKT10003 JKT1011 JKT1009
5 T&P RELIEF VALVE RLV1009 RLV1009 RLV1009 RLV1009 RLV1009 RLV1009
6 NATURAL GAS VALVE VAL10000 VAL10000 VAL10000 VAL10000 VAL10000 VAL10000
7 THERMAL WELL TST1051 TST1051 TST1051 TST1051 TST1051 TST1051
8 BRASS DRAIN VALVE DRV1007 DRV1007 DRV1007 DRV1007 DRV1007 DRV1007
9 RIGHT SIDE INNER DOOR W/ GASKET JKT10006 JKT10005 JKT10005 JKT10007 JKT10005 JKT10007
10 RESETTABLE THERMAL SWITCH RLY1003 RLY1003 RLY1003 RLY1003 RLY1003 RLY1003
11 OUTER DOOR JKT10004 JKT10004 JKT10004 JKT10004 JKT10004 JKT10004
12 NAT BURNER ASSEMBLY BNR10002 BNR10001 BNR10001 BNR10003 BNR10001 BNR10003
13 PILOT ASSEMBLY NATURAL GAS PLT10002 PLT10001 PLT10001 PLT10003 PLT10001 PLT10003
14 THERMOPILE PLT10005 PLT10005 PLT10005 PLT10005 PLT10005 PLT10005
15 INNER DOOR GASKET KIT GKT10000 GKT10000 GKT10000 GKT10000 GKT10000 GKT10000
16 SENSOR RTD TST10002 TST10002 TST10002 TST10002 TST10002 TST10002
17 INTERMEDIATE GAS VALVE HARNESS WRE10000 WRE10000 WRE10000 WRE10000 WRE10000 WRE10000
18 HEAT TRAP OUTLET WTR10010 WTR10010 WTR10010 WTR10010 WTR10010 WTR10010
19 HEAT TRAP INLET WTR1028 WTR1028 WTR1028 WTR1028 WTR1028 WTR1028
USN050G UTN050G-4 UTN030G-EF USN040G-EF UTN040G-EF UTN050G-EF
1 DRAFT HOOD DRH1020 DRH1020 DRH1020 DRH1020 DRH1020 DRH1020
2 ANODE, MAGNESIUM WTR10000 WTR10002 WTR1019 WTR10000 WTR1019 WTR10001
3 COLD WATER INLET TUBE WTR10008 WTR10009 WTR10004 WTR10005 WTR10006 WTR10007
4 FLUE BAFFLE JKT10003 JKT1011 JKT10002 JKT10003 JKT1008 JKT1009
5 T&P RELIEF VALVE RLV1009 RLV1009 RLV1005 RLV1005 RLV1005 RLV1005
6 NATURAL GAS VALVE VAL10000 VAL10000 VAL10000 VAL10000 VAL10000 VAL10000
7 THERMAL WELL TST1051 TST1051 TST1052 TST1052 TST1052 TST1052
8 BRASS DRAIN VALVE DRV1007 DRV1007 DRV1007 DRV1007 DRV1007 DRV1007
9 RIGHT SIDE INNER DOOR W/ GASKET JKT10008 JKT10007 JKT10006 JKT1007 JKT10005 JKT10007
10 RESETTABLE THERMAL SWITCH RLY1003 RLY1003 RLY1003 RLY1003 RLY1003 RLY1003
11 OUTER DOOR JKT10004 JKT10004 JKT10004 JKT10004 JKT10004 JKT10004
12 NAT BURNER ASSEMBLY BNR10004 BNR10003 BNR10005 BNR10007 BNR10006 BNR10007
13 PILOT ASSEMBLY NATURAL GAS PLT10004 PLT10003 PLT10001 PLT10004 PLT10003 PLT10004
14 THERMOPILE PLT10005 PLT10005 PLT10005 PLT10005 PLT10005 PLT10005
15 INNER DOOR GASKET KIT GKT10000 GKT10000 GKT10000 GKT10000 GKT10000 GKT10000
16 SENSOR RTD TST10002 TST10002 TST10002 TST10002 TST10002 TST10002
17 INTERMEDIATE GAS VALVE HARNESS WRE10000 WRE10000 WRE10000 WRE10000 WRE10000 WRE10000
18 HEAT TRAP OUTLET WTR10010 WTR10010 WTR10010 WTR10010 WTR10010 WTR10010
19 HEAT TRAP INLET WTR1028 WTR1028 WTR1028 WTR1028 WTR1028 WTR1028
PLEASE PROVIDE MODEL & SERIAL NUMBER WHEN ORDERING PARTS.