About this item Main Parameters: DH550A SPA pump power: 0.55/0.75 kw/hp Maximum lift: 12M;Maximum flow: 300 L/Min ;Capacitor: 10ufJA75 more fits 8-12 nozzles double cylinder High-Quality Motor: External cooling motor;Joint motor base and installation foot , high quality aluminum alloy;Low noise; small vibration, long Service life; is the dedicated motor for massage bathtub electric pump .F-class insulation, IPX5 protection class, continuous work (S1) built-in T1 overheating protection (single-phase), and can be equipped with air switch to ensure the safe and convenient using Convenient: Water pump complete separation of water and the axis, safe and reliable ,high-strength engineering plastics for pump flow components;high-quality special mechanical sealing;Bottom in water inlet;When the pump is closed, all the liquid will be discharge out of the pump body quickly Suitable: Circulation pump suitable for hydramassage bathtub and sea water convey; Weak corrosive liquid (weak acid and weak alkali) without solid granules Application Scope: Spa Pump could run continuously for long time: Being economical, quiet and compact used in whirlpool bathtub or spa systems;with single phase motor,thermal overload protector and air switch are completely insulated