Gilmour Section House Net Zero Phase 2 - Pipework Adaptions

Modify existing LTHW PHEs. Install ASHP circulating pumps and pipework with buffer vessels, pipework insulation, vertical distribution, leak detection, and immersion heater to one buffer vessel. Install LTHW circulating pumps and distribution insulated pipework with energy meters on primary and secondary side. Energy meter for cold water fill for PU. Hot water twin pump sets and secondary pump, boiler circulation pump, cold water supply and a complete pipework system installation in the basement. Heat pump accessories with trace heating for external pipework. Reroute vent pipe on roof from the ASHP enclosure. HWS secondary pump and pipework with semi-instantaneous DHW calorifiers with associated PHE, pumps and electric immersion heaters.