Heat Pump CoP - 2.81 63mm Insulation IPX1B IP Rating Noise Level (Sound Pressure Level dB(A) at 2m) - 49 Outside Air Temperature Range (oC) -5 to +43 Warranty / Guarantee UK - Tank 5 years other parts 2 years Manufacturer Stock Code: AH886123 Sub-Category: Air Source Brand: Atlantic Range: Calypso Category: Heat Pump Type: Hot Water