Lochinvar RB500 Parts List

RB/RW

399 — 500

Boilers & Water Heaters

Replacement Parts List

RB-RW2-04

RPL7016

8

13

12

14

25

24

11

10

9

17

21

19

22

2

16

6

3

23

1

30

7

26

15

27

29

28

5

4

20

PARTS & SERVICE DEPARTMENT

Nashville, Tennessee
615-889-8900 / Fax: [phone]

www.Lochinvar.com

ITEM PART DESCRIPTION MODEL

NO. NO. NO.

CP—1.5M—04/03—Printed in U.S.A..

Loch-Heat® Tile

1 FIB2938 LOCH-HEAT TILE, TOP ALL 399
1 FIB2939 LOCH-HEAT TILE, TOP ALL 500
2 FIB2934 LOCH-HEAT TILE, FILLER ALL 399
2 FIB2935 LOCH-HEAT TILE, FILLER ALL 500
3 FIB2900 LOCH-HEAT TILE, SIDE ALL
4 FIB2936 LOCH-HEAT TILE, FRONT ALL 399
4 FIB2937 LOCH-HEAT TILE, FRONT ALL 500
5 FIB2940 LOCH-HEAT TILE, BACK ALL 399
5 FIB2941 LOCH-HEAT TILE, BACK ALL 500

Heat Exchangers

6 HEX3812 HEAT EXCHANGER (RW, Before Serial # F00, and all RB) 399
6 HEX3813 HEAT EXCHANGER (RW, Before Serial # F00, and all RB) 500
6 HEX3040 HEAT EXCHANGER (After Serial # F00) RW 399

6 HEX3041 HEAT EXCHANGER (After Serial # F00) RW 500
23 JKR6307 V-BAFFLE 399
23 JKR6308 V-BAFFLE 500

Pumps

7 ARM3045PBF PUMP (Before Serial # L01) ALL RW

7 ARM3045PAB PUMP (After Serial # L01) ALL RW

Controls

8 RLY2042 RELAY PUMP (RW After Serial # L01 & All RB) ALL

9 RLY2023 IGNITION MODULE ALL
10 TRF2004 TRANSFORMER, 50V.A. ALL

11 TST2902 OPERATOR ALL RB

11 TST3920 OPERATOR ALL RW
12 TST3910 LIMIT ALL RW
13 TST3911 HI LIMIT ALL

- TST2026 REMOTE THERMOSTAT ALL RW
14 MSC2320 TERMINAL BOARD ALL
15 GTP2900 T & P GAUGE ALL RB
15 GTP3000 TEMPERATURE GAUGE ALL RW

Gas Train

16 BNR2902 MAIN BURNER ALL
17 PLT2905 PILOT BURNER NAT. ALL
17 PLT2906 PILOT BURNER LPG. to S/N F993554 ALL
17 PLT2907 PILOT BURNER LPG. begin S/N F993554 ALL
19 ORF2904 ORIFICE, MAIN BNR. NAT. ALL
19 ORF2901 ORIFICE, MAIN BNR. LPG. ALL
20 WRE2031 IGNITION CABLE ALL
21 VAL2928 GAS VALVE, NAT. W/PILOT VALVE ALL
21 VAL2929 GAS VALVE, LPG. W/PILOT VALVE ALL
22 VAL3403 GAS VALVE, NAT. ALL
22 VAL3404 GAS VALVE, LPG. ALL

Miscellaneous

24 WRE2912 WIRE HARNESS (F-9 Control) RB
24 WRE2921 WIRE HARNESS (F-9 Control) RW
24 WRE2928 WIRE HARNESS (F-9 Control Dual Gas Valve) ALL
25 WRE2915 JUMPER PLUG ALL
26 RLV2001 RELIEF VALVE, PRESSURE ONLY ALL RB
26 RLV2007 RELIEF VALVE, TEMPERATURE & PRESSURE ALL RW
27 TST2301 BULB WELL ALL
28 GKT2901 GASKET, FLANGE 11/2" ALL RW
29 WTR3902 FLANGE, 11/2" ALL RW
30 BRS3890 OUTLET TEE FOR ITEMS 15 & 26 (11/2" X 3/4" X 11/2") ALL RW

-- TST2015 MANUAL RESET HIGH LIMIT OPTIONAL

-- WTR2040 FLOW SWITCH OPTIONAL

-- RLY2707 PUMP DELAY RW

-- WTR2528 LOW WATER CUT OFF OPTIONAL

-- WTR2532 PROBE FOR L.W.C.O. OPTIONAL

PLEASE: Have model number and serial number when ordering parts.
NOTE: RB = BOILER & RW = WATER HEATER