← View full gallery TECH REQUIREMENTS FOR INSTALLATION SWIM SPA BASE : reinforced 150mm minimum thickness concrete SWIM SPA BASE : reinforced 150mm minimum thickness concrete SWIM SPA BASE : retaining wall & site prepared for concrete pour SWIM SPA BASE : concrete poured & finished in preparation for the swim spa to… SPA POOL BASE : 50mm paving tiles set into a concrete slurry, which provide 100mm+… HEAT & COOL PUMP INSTALL : stable concrete base / adequate clearance for fan air… HEAT & COOL PUMP INSTALL : stable concrete base / 2.5m clearance for fan air… HEAT&COOL PUMP READY : EXTERNAL PIPEWORK cross section view HEAT&COOL PUMP READY : EXTERNAL PIPEWORK when heat&cool pump outlet location is nominated on spa… HEAT&COOL PUMP READY : CAPS ONLY within the cabinet on all HEAT&COOL PUMP READY spas…