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Thermostatic gas valve for gas boiler 400 (SITGroup)
Description: The thermostatic gas valve is designed to control the gas supply in gas boilers. It is equipped with a thermoelectric flame control device and does not have an outlet for a pilot burner. This component ensures reliable and safe operation of gas equipment, maintaining optimal temperature conditions and preventing gas leaks.
Technical specifications
| Parameter | Value |
|---|---|
| Pilot burner connection | M8x1 |
| Operating temperature | 0-80°C |
| Maximum inlet gas pressure | 50 mBar |
| Opens at | < 200 mA |
| Closes at | > 40 mA |
| Mounting position | Any |
| Connections | Rp 1/4” ISO 7-1:1982 |
| Gas type (families) | I, II, and III |
How to choose the right product
When selecting a thermostatic gas valve, ensure it is compatible with your gas boiler. Pay attention to the following parameters:
- Type of pilot burner connection (M8x1).
- Operating temperature (does not exceed 80°C).
- Maximum inlet gas pressure (no more than 50 mBar).
- Electrical characteristics (opening and closing at specified current values).
If you are unsure about compatibility, consult a technical specialist or refer to your appliance's manual.
Possible causes of malfunction and prevention methods
Malfunctions of the thermostatic gas valve can occur for the following reasons:
- Wear of the electromagnetic mechanism.
- Contamination of connections and filters.
- Improper installation or damage to wires.
To prevent premature wear of the valve, perform regular maintenance. Clean the connections and monitor the condition of the wiring. It is also recommended to periodically check the boiler settings to ensure they are functioning correctly.
Difficulty of part replacement
Replacing the thermostatic gas valve requires basic skills in working with gas systems. It is advisable to follow this procedure:
- Turn off the gas and electricity to the boiler.
- Remove the old valve by carefully disconnecting all connections.
- Install the new valve following the manufacturer's instructions.
- Reconnect the electrical wires and gas connections.
- Check the operation of the new valve and ensure there are no leaks.
The difficulty of replacement can be assessed as moderate. If you lack experience, it is better to consult a specialist to perform this work.