
Glow-worm
Ranco Control Thermostat C77-P0100
Ranco C77-P0100 control thermostat for selected Glow-worm GW and Space Saver appliances.
£0.01
£0.01 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Ranco C77-P0100 is a control thermostat used in selected Glow-worm GW and Space Saver appliances. It regulates appliance temperature by switching the heat source according to the thermostat setting. The part is identified by the Ranco reference C77-P0100.
Signs this part needs replacing
- Appliance does not respond when the thermostat control is adjusted.
- Heating remains on when the thermostat is set to a lower temperature.
- Poor temperature regulation or noticeable swings in appliance output.
- Frequent cycling or short cycling as the thermostat fails to hold a steady temperature.
- Appliance fails to fire when heat is demanded.
Before you order
- Confirm the appliance model matches one of the listed fitments.
- Check the existing thermostat part number and Ranco reference C77-P0100.
- Ensure the thermostat connections and mounting arrangement are compatible with the existing control.
- Confirm whether the appliance uses a control thermostat or a different thermostat type before ordering.
Compliance
| GC number | 382-176 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM GW 40 SUPER CF | 41-315-65 | 41-315-65 | — | — |
| GLOWWORM GW 52CF SUPER FREE STANDING | 41-315-47 | 41-315-47 | — | — |
| GLOWWORM SPACE SAVER 38 BF MK1 | 41-315-31 | 41-315-31 | — | — |
| GLOWWORM SPACE SAVER 38 CF MK1 | 41-315-44 | 41-315-44 | — | — |
| GLOWWORM SPACE SAVER 50BF MK1 | 41-315-27 | 41-315-27 | — | — |
| GLOWWORM SPACE SAVER 52 CF MK1 | 41-315-45 | 41-315-45 | — | — |
| GLOWWORM SPACE SAVER 75 BF MK1 | 41-315-32 | 41-315-32 | — | — |
| GLOWWORM SPACE SAVER 75 CF MK1 | 41-315-46 | 41-315-46 | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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