control gauges, a breaker switch ,quicktoron air removal (without the water glycol model) and a drain tap. standard units have a flow range from lit/min up to > lit/min, and can be suitable for very large oil volumes (> litres). optional equipment: timer, automatic drain function, pressure switch ,vacuum...
in conjunction with the hydrost... £ pvc . in - . in winter plug " rubber winterising plug with butterfly nut... £ pvc . in- in winter plug " rubber winterising plug with butterfly nut... £ inch hydro relief valve inch hydro static relief valve... £ inch chrome on brass fitting " chrome on brass vacuum...