... ,GS, CE, Certificate 3,R410A refrigerant 4,OEM service Heat pump for swimming pool/spaSpecification Model No. GT-SKR015YHeating capacityKW5.6Rated ... LCD display controller5) Safety: water and electricity are separated, no fire, no creepage6) Quiet: Adopt the high-efficiency, low noise rotary ... .10) ECO-friendly. GS,CE CERTIFICATE Loading SPA pool heat pump, spa pool heater, spa pool heat ...