Hattersley offers a variety of balancing commissioning solutions - for constant & variable flow systems which includes a rang ... e of PICV’s and DPCV’s plus bespoke pre-assembled units like Hook-up and Hook Up Prime. There is also a range of general and public health valves including thermal circulation valves that can help to prevent Legionnaires' Disease. Many of the Hattersley range of valves are readily available as BIM product components. This company page is monitored 9am - 5pm Monday to Friday UK time. If you require customer support please call +44 (1473) 277 410 or email uksales@hattersley.com. read more