Vaillant Fan Proving Switch/ Pressure Safe Guard 050518
This is used on VC112 VC VCW 182 24e2E
Ref: 050518
Vaillant Pressure Differential Valve 151017
This is used on VC GB 112EH.VC GB 182 /242/142/282EH VCW Sine 18 T3 WF H.VCW20/1 T3WH.VCW25/1 T3WH.VCW GB 242/282EH
Ref:151017
Vaillant Pressure Safeguard 050557
Ref: 050557