Related Clues:
- Mechanism for controlling fluid flow, pressure, temperature etc.
- Got a ruler replaced as a means of keeping good order
- Monitor to be included at frequent intervals
- Part of TV to let off steam?
- The governor - one to ensure good time-keeping?
- On/off device
- Leaders of this office obstruct normal source of rules?
- Regulator of volume brought in to see what's in a pint?
- This contains half of milk in low-calorie recipe
- Toilet turned over, stripped to find ballcock
- Regulator stopping medieval vehicle
- Sign in Dell is useful when generating heat
- Gas regulator
- Governor's time over, wearing uniform
- Restricting factor