| No. | Picture | Model | Description | Brand | Action |
|---|
| 1. |  | R4715B1003-1 | Protectorelay, 100Vac, prepurge:15 sec, post-ignition:11 sec, lockout:23 sec, FFRT:1.5 ±0.5 sec, 150 MCal/h | Yamatake |  |
| 2. |  | R4715B1011-1 | Protectorelay, 200Vac, prepurge:15 sec, post-ignition:11 sec, lockout:23 sec, FFRT:1.5 ±0.5 sec, 150 MCal/h | Yamatake | |
| 3. |  | R4715C1019 | Protectorelay, 200Vac, prepurge:15 sec, post-ignition:1.2 sec, lockout:23 sec, FFRT:0.8 sec max, 150 MCal/h | Yamatake | |
| 4. |  | R4750B108-2 | Protectorelay, 100Vac, prepurge:33 sec, post-ignition:11 sec, lockout:23 sec, FFRT:1.5 ±0.5 sec, 500 MCal/h | Yamatake | |
| 5. |  | R4750B208-2 | Protectorelay, 200Vac, prepurge:33 sec, post-ignition:11 sec, lockout:23 sec, FFRT:1.5 ±0.5 sec, 500 MCal/h | Yamatake | |
| 6. |  | R4750B220-2 | Protectorelay, 220Vac, prepurge:33 sec, post-ignition:11 sec, lockout:23 sec, FFRT:1.5 ±0.5 sec, 500 MCal/h | Yamatake | |
| 7. |  | R8184G1310 | Protectorelay oil burner control, 220-240Vac, safety switch:45 sec | Honeywell | |
| 8. |  | RA890F1270 | Protectorelay primary control, 120Vac, SST:15 sec, FFRT:0.8 sec | Honeywell | |
| 9. |  | RA890F1288 | Protectorelay primary control, 120Vac, SST:15 sec, FFRT:3.0 sec | Honeywell | |
| 10. |  | RA890F1296 | Protectorelay primary control, 208Vac, SST:15 sec, FFRT:3.0 sec | Honeywell | |
| 11. |  | RA890F1304 | Protectorelay primary control, 220Vac, SST:15 sec, FFRT:0.8 sec | Honeywell | |
| 12. |  | RA890F1353 | Protectorelay primary control, 240Vac, SST:30 sec, FFRT:0.8 sec | Honeywell | |
| 13. |  | RA890F1361 | Protectorelay primary control, 240Vac, SST:30 sec, FFRT:3.0 sec | Honeywell | |
| 14. |  | RA890F1379 | Protectorelay primary control, 240Vac, SST:15 sec, FFRT:0.8 sec | Honeywell | |
| 15. |  | RA890F1387 | Protectorelay primary control, 240Vac, SST:15 sec, FFRT:3.0 sec | Honeywell | |
| 16. |  | RA890F1411X2 | Protectorelay primary control, 100Vac, SST:15 sec, FFRT: 3 ±1 sec | Yamatake | |
| 17. |  | RA890G117X2 | Protectorelay primary control, 100Vac, SST:15 sec, FFRT: 3 ±1 sec | Yamatake | |
| 18. |  | RA890G1245 | Protectorelay primary control, 220Vac, SST:15 sec, FFRT:0.8 sec | Honeywell | |
| 19. |  | RA890G1260 | Protectorelay primary control, 120Vac, SST:15 sec, FFRT:3.0 sec | Honeywell | |
| 20. |  | RA890G1278X2 | Protectorelay primary control, 208Vac, SST:15 sec, FFRT: 3 ±1 sec | Yamatake | |
| 21. |  | RA890G1286 | Protectorelay primary control, 240Vac, SST:15 sec, FFRT:3.0 sec | Honeywell | |
| 22. |  | RA890G1294 | Protectorelay primary control, 240Vac, SST:15 sec, FFRT:0.8 sec | Honeywell | |
