Clarke 1″ BSP Non Return Valve£31.37 In stock Clarke 1" BSP Non Return Valve quantity Add to basket EAN: N/A SKU: 2002210 Category: Accessories & Consumables Related products Clarke Dol Starter 4-6.3 amp £49.98 Clarke AVM C160 Anti-Vibration Mountings (Pk 4) £27.98 Clarke Dol Starter 16-20 amp £55.06 Clarke Pressure Switch 6-10 amp £75.20