Honeywell V8800C1127 Gas Valve For Ideal / Johnson & Starley 170637 BOS00829/SP
Red And White Push Button Gas Valve V8800C1127 24 Volts. Ideal 170637. Johnson & Starley BOS00829/SP. This part fits several older Ideal, Thorn, Johnson & Starley, Ariston, Baxi and Potterton boilers.