SHOP Retro-Regulator | Pressure test Kit | Spray-to-Drip Conversion Kit | WaterWell | All Retro-Regulator Pressure test Kit Spray-to-Drip Conversion Kit WaterWell HW-1800 $109.75 Add To Cart HW-1804 $29.95 Add To Cart HW-1805 $49.90 Add To Cart HW-1850 $27.90 Add To Cart HW-1849 $24.90 Add To Cart HW-2510-1 $48.95 Add To Cart HW-2510-6 $228.90 Add To Cart HW-2010-1 $39.95 Add To Cart HW-2010-6 $189.90 Add To Cart HW-2510-11 $79.95 Add To Cart