Sime 3 Bar Pressure Relief Valve Prv 6040201 20E This part (MPN: 4420407) is

This part (MPN: 4420407) is designed for models within the Myson range

This part (MPN: 255025) is designed for models within the Main range

I am a plumber specializing in boiler issues

[20] expansion flame profile near the ignition electrode

Sime 3 Bar Pressure Relief Valve Prv 6040201 20E This part (MPN: 4420407) isSime 3 Bar Pressure Relief Valve Prv 6040201 Product Overview The Sime 3 Bar Pressure Relief Valve Prv 6040201 is a critical component designed for specific Sime heating systems. This Spare Part is a genuine replacement component engineered to restore original manufacturer specifications. properly functioning components are vital for the energy efficiency and safety of your boiler. Product Condition Options: This part may be available in New,