Upgrade your Honeywell RM7800 or RM7840 Burner Control Unit with a more efficient Kromschroder BCU 370 Burner Control
Convert your old, obsolete Honeywell flame supervision units with the latest, high quality units from Kromschröder! Use the chart below to determine model number and connection drawing to convert your combustion system today.
Energy Saving Purge Burner Controls
| Your Honeywell Burner Control |
Upgrade to this Kromschroder Burner Control |
Voltage (Vac) |
Pilot Proving (sec) |
Flame Proving (sec) |
Post Purge (sec) |
Modulating Control |
Wiring Diagram |
Upgrade Now |
| RM7800E1002 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7800E1004 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7840E1000 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7840E1008 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7800E1010 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7800E1010 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7840E1016 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7840E1018 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
Modulating Burner Controls — Recycling
| Your Honeywell Burner Control |
Upgrade to this Kromschroder Burner Control |
Voltage (Vac) |
FFRT (sec) |
Flame Proving (sec) |
Post Purge (sec) |
Modulating Control |
Wiring Diagram |
Upgrade Now |
| RM7800G1000 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10, 15 or intermittent |
15 |
4-wire modulating |
Yes |
|
| RM7840G1006 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10, 15 or intermittent |
15 |
4-wire modulating |
Yes |
|
| RM7800G1018 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10, 15 or intermittent |
15 |
4-wire modulating |
Yes |
|
| RM7840G1014 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10, 15 or intermittent |
15 |
4-wire modulating |
Yes |
|
Modulating Burner Controls — Non-Recycling
| Your Honeywell Burner Control |
Upgrade to this Kromschroder Burner Control |
Voltage (Vac) |
FFRT (sec) |
Flame Proving (sec) |
Post Purge (sec) |
Modulating Control |
Wiring Diagram |
Upgrade Now |
| RM7800L1004 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7840L1000 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7800L1012 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7840L1018 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7800L1038 |
BCU 370QFEU0D1 |
120 Vac 50/60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7800L1046 |
BCU 370QFEU0D1 |
120 Vac 50/60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7800L1053 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7840L1026 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
| RM7800L1079 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or 15 |
15 |
4-wire modulating |
Yes |
|
On/Off Burner Controls
| Your Honeywell Burner Control |
Upgrade to this Kromschroder Burner Control |
Voltage (Vac) |
FFRT (sec) |
Flame Proving (sec) |
Post Purge (sec) |
Modulating Control |
Wiring Diagram |
Upgrade Now |
| RM7800M1003 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10 or intermittent |
15 |
On/Off |
Yes |
|
| RM7840M1009 |
BCU 370QFEU0D1 |
120 Vac 50Hz |
4 or 10 |
10 or intermittent |
15 |
On/Off |
Yes |
|
| RM7800M1011 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or intermittent |
15 |
On/Off |
Yes |
|
| RM7840M1017 |
BCU 370QFEU0D1 |
120 Vac 60Hz |
4 or 10 |
10 or intermittent |
15 |
On/Off |
Yes |
|
