The NEW STUART PULSE Trade range of premium circulator pumps includes four models, with flow rates ranging from 3.6 to 10 m³/hour and heads from 6 to 12 metres. Available in 130mm or 180mm fitting lengths, PULSE Trade circulators are designed for use in a variety of applications, including heating, cooling, and air conditioning systems. All models feature automatic adapt, proportional pressure, constant pressure and constant speed operating modes and are supplied with a 5 year warranty as standard.