Hamworthy
Hamworthy Dual Aquastat L6191B2047
Dual aquastat twin thermostat for Hamworthy UR series floor standing boilers, with a 70°C to 140°C temperature range.
At a glance
- Also known as 2063800
£297.07
£247.56 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 Honeywell L6191B2047 is a dual aquastat — also described as a twin thermostat — with an adjustable range of 70°C to 140°C. It is supplied as a spare for Hamworthy UR series floor standing boilers, where it controls the boiler water temperature. The unit carries the Hamworthy part reference 747433842.
Signs this part needs replacing
- Boiler water temperature drifts away from the set point or fails to reach it
- Boiler locks out or shuts down on the high limit
- Frequent cycling or short firing periods as the thermostat switches erratically
- Heating or hot water output becomes inconsistent between calls for heat
- Temperature readings no longer match the dial setting
Before you order
- Confirm the boiler model against the fit list above
- Check the part number on the existing thermostat before removal
- Verify the temperature range required by the appliance
- Isolate the electrical supply before fitting
Compliance
| Alternative numbers | 2063800 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HAMWORTHY HAMWORTHY SPARE PARTS | — | — | — | |
| HAMWORTHY UR180 SERIES FLOOR STANDING | — | — | — | |
| HAMWORTHY UR235LL LOWLINE FULLY AUTOMATIC FLOOR STANDING | — | — | — | |
| HAMWORTHY UR250 SERIES FLOOR STANDING | — | — | — | |
| HAMWORTHY UR300 SERIES FLOOR STANDING | — | — | — | |
| HAMWORTHY UR365 SERIES FLOOR STANDING | — | — | — | |
| HAMWORTHY UR384LL LOWLINE FULLY AUTOMATIC FLOOR STANDING | — | — | — | |
| HAMWORTHY UR430 SERIES FLOOR STANDING | — | — | — | |
| HAMWORTHY UR470 SERIES FLOOR STANDING | — | — | — |
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.
HAMWORTHY appliance manual — UR180 SERIES FLOOR STANDING, UR250 SERIES FLOOR STANDING, UR300 SERIES FLOOR STANDING, UR365 SERIES FLOOR STANDING, UR430 SERIES FLOOR STANDING, UR470 SERIES FLOOR STANDING
manualmanualHAMWORTHY appliance manual — UR235LL LOWLINE FULLY AUTOMATIC FLOOR STANDING, UR384LL LOWLINE FULLY AUTOMATIC FLOOR STANDING
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