Shop › Proximity Sensor Image 1 of 1 Proximity Sensor $192.04 Replacement Balluff proximity sensor. Fits all Warrior shotcrete pumps models. Sold individually. Quantity: Add To Cart Added! Replacement Balluff proximity sensor. Fits all Warrior shotcrete pumps models. Sold individually. You Might Also Like Hopper Remixer Paddle Shaft Assembly $445.00 Replacement Cups $41.00 Hopper Outlet Bearing $423.50 Hopper Vibrator/Agitator from $293.00 Remixer Paddle Shaft Idler Pin $14.00