The Worcester Bosch MT10 mechanical timer is used to control the on and off times of the boiler ov...The Worcester Bosch MT10 mechanical timer is used to control the on and off times of the boiler over a 24-hour period. The MT10 is designed for use with a variety of Worcester Greenstar Combi boilers. Boiler spare parts must be fitted by a certified Gas Safe engineer. Orders received before 4pm are usually dispatched for next business day delivery.
This guide is for homeowners with Worcester Bosch Greenstar Combi boilers who want to control their boiler's on and off times. The Worcester Bosch MT10 mechanical timer offers a simple way to schedule your boiler's operation, improving energy efficiency. Please note that installation must be performed by a certified Gas Safe engineer.
All features
Model Part Number
87161066630
Brand
Bosch
Extended Product Information
FAQs
Who should install the MT10 timer?
A Gas Safe registered engineer must install the MT10 timer.
Is the MT10 timer compatible with all Worcester Bosch boilers?
No, it is specifically designed for a variety of Worcester Greenstar Combi boilers. Check compatibility with your boiler model.
Can I adjust the on/off times easily?
Yes, the MT10 has a simple dial to adjust the on/off times.
What if the timer fails?
Contact a Gas Safe engineer to diagnose and replace the timer if necessary.
Where can I buy a replacement MT10 timer?
You can purchase a replacement MT10 from various boiler parts suppliers.
Does the timer require batteries?
No, the MT10 is a mechanical timer and does not require batteries.
Can the timer be used for hot water control?
Yes, the MT10 can be used to control the on/off times for both heating and hot water.
Troubleshooting
Boiler does not turn on/off at scheduled times.
Check the timer settings to ensure they are correct. Check the power supply to the boiler and the timer. Contact a Gas Safe engineer to inspect the wiring and timer functionality.
Timer dial is difficult to turn.
Check for any obstructions. If the dial is still difficult to turn, contact a Gas Safe engineer to inspect the unit and replace if necessary.
Pros and Cons
Pros
Simple and intuitive to operate.
Improves energy efficiency by allowing scheduled operation.
Specifically designed for Worcester Greenstar Combi boilers.
Mechanical design ensures reliable performance.
Easy to install (by a Gas Safe engineer).
Cons
Requires professional installation by a Gas Safe engineer.
Limited to a 24-hour cycle; no advanced programming.
Mechanical timers may be less accurate than digital alternatives.
No battery backup in case of power outage.
Setup, Compatibility & Care
Setup
Professional Installation: This timer *must* be installed by a Gas Safe registered engineer to ensure safety and compliance.
Compatibility Check: Ensure the MT10 is compatible with your Worcester Greenstar Combi boiler model. Check your boiler's manual or contact a qualified engineer if in doubt.
Wiring: The engineer will connect the timer to your boiler's control system, following the manufacturer's instructions.
Testing: After installation, the engineer will test the timer to verify correct operation.
Compatibility
Designed for use with a variety of Worcester Greenstar Combi boilers.
Care
Cleaning: Wipe the timer with a dry cloth. Do not use liquids or abrasive cleaners.
Maintenance: No regular maintenance is required.
Inspection: Have your Gas Safe engineer inspect the timer during annual boiler servicing.