... 3.15Year Warranty for tube 4.Delivery:10 day ROOF Solar Water System Feature 1.Solar water heater with SOLAR KEY MARK ... CertificateEN12975,Solar keymark,CE,SRCC,CSA,ISOWarranty5 years for full system / 15 years for vacuum tubeDeliver timewithin 15 days for full ... meter,pressure gauge,safety valve, expansion vessel ROOF Solar Water System