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 Lorentz PS2 Manual Speed Control Device to provide manual motor speed control of PS2 systems part# 19-000035 Liquid Level Sensor 0-10m 0 – 10 metres depth, 30 Metres Cable, AISI304, 4-20mA, 12-28VDC part# 19-005040 Nipple Brass 1/8 $2.42 Brass used with pressure switch Part# 10002020 Valve Dual float 32,40,50mm with orange floats used with pressure switch kits for tank full auto cut off 32 Part# 10035881 40 Part# 10035882 50 Part# 10035883