Worcester Flue Gas Safety Device 87072060740

This is for the following boilers

• W135KV1P31S0595T1 (7700431967)
• W275-1KV1P31S0595 (7701431757)
• W350-1KV1P31S0595 (7702431799)
• W400-1KV1P31S0595 (7703431887)
• WR 11 P31 S7895 (7701431591)