Repair of gas and gas consumption equipment

Planned maintenance of gas and gas consumption equipment;
Warranty repair of purchased gas and gas consumption equipment;
Repair related to replacement of gas and gas consumption equipment;
Repair (without the use of welding) of steam boilers with steam pressure no more than 0,07 MPa (0,7 bars) and hot-water boilers with temperature of water heating less than 115°C
Replacement of out-of-service shut-off and control valves and various nodes and components of gas and heating consumption systems and automation.