Kromschroder Solenoid gas valve VG15R03NT31DMVZ 85213040

Kromschroder VG15R03NT31DMVZ (SKU 85213040) is a normally closed solenoid shut-off valve for gas burners and boilers. It operates on 220–240 V AC and features an internal thread Rp 1/2" connection. The valve meets EN 161 Class A safety standards, has IP54 protection, and uses a Viton seal. It closes within 1 second and can be installed vertically or horizontally with the coil up.

When selecting a replacement solenoid gas valve of this type, match the connection size (e.g., Rp 1/2"), coil voltage (e.g., 230 V AC), and safety certification (EN 161 Class A). Ensure the valve is normally closed and compatible with the gas type. Installation allows vertical or horizontal mounting with the coil oriented upward. Verify the thread type (Rp internal) and seal material suitability before ordering.

Common failures include coil burnout, leaking valve seat, and seized actuator. Symptoms may include gas odor, failure to open or close, or burner lockout during ignition. Check coil continuity, valve operation, and seal integrity.