The KITCHEN GAS TESTING VALVEis included in A Kit with a flexible hose and hose valve.
The Hose connection valve is fitted and sealed with gas suitable sealant to the half inch valve.
The Hose connection valve opens and closes the gas supply to the appliance when the hose is connected and when disconnected.
The Kit above, supplied with fitting instructions for the cooker installer (Must be a registered gas Safety engineer in UK), and CE certificate for EU fitter. @£35.90p each No vat. No p&p UK, £9.10p p&p. outside UK.