1. Circulation Pump contains two parts:body and motor (with wet rotor).Body contains impeller,while motor includes stator,rotor,shield cover and deflating screw. 2.Tightness:the Circulating pump does not use mechanical seal.Stator and rotor are sealed with shield cover made of stainless and two heat-resistant rubber rings,which makes no leakage. 3.Lubrication of bearings and cooling of motor by inner circulation of pumped liquid. 4.Insulation class H,motor fixed with thermal protector,one speed or three speeds.

Product features 1.Low noise 2.No leakage 3.Ecological safety in operation 4.Artistic appearance 5.Easy installation 6.Reliable operation

GPA II BL series Suitable for: · Commercial heating · Commercial hot water recirculation · Domestic hot water recirculation · Domestic heating · Industrial heating · Solar system · Air conditioning system Electronically controlled circulator pumps for domestic building. Shinhoo GPA II BL pumps are high-efficiency circulators, designed for heating systems. The ideal choice for basic functionality needs. Applicable as a universal upgrade and replacement pump. The pump features three constant-curve modes, proportional pressure curves, constant pressure curves, Auto and night mode.