Sorry, this product cannot be purchased. Pressure Release Kit 40mm Suited for 40mm pipe work to relieve pressure at pump for disconnection Part# 10035885 SKU: 10035885 Categories: Lorentz accessories, Sun Mill/Solar Mill accessories Related products Pressure switch kit $435.60 Pressure switch kit with dual float Part# 10035580 Y Lead Adaptor Probe/Pressure Switch Combo $89.21 for connecting Pressure switch, low probes or tank float switch combination with Sun Mill 30 & 60v Maximiser Part# 30030213 Submersible Pump pressure switch kit for on/off control with Lorentz pumps Part# 61000065 Pressure switch 2/6 $83.82 2/6 for pressure range 0-50M used for auto on/off function Part# 10001905