3/8 "

• EUROSIT 0630 series gas thermostat Model fits Eurosit 0630206
• Gas Control Valve 0630 Only to be used as a replacement valve and thermostat as it does NOT come with a minimum rate screw.
• You get that from the original valve All SIT control valves are NOT the same.
• This is a EUROSIT 0630 series Gas Control Valve. 

Suitable for the following brands