Grundfos MQ Illustrated Service Instructions

26
Unplug the pressure switch from the control unit.
5
Remove the three screws of the pressure switch.
6
Lift up the pressure switch.
7
Remove the O-ring using a screwdriver.
8
Lubricate the O-ring with O-ring grease, and fit it.
9
Fit the pressure switch.
10

Grundfos MQ Specifications

General

Max Head	45 m
Built-in Pressure Tank	Yes
Dry-running Protection	Yes
Max Liquid Temperature	35°C
Inlet/Outlet Size	1"
Pumped Liquid	Clean water
Weight	13 kg
Power Supply	220-240 V, 50/60 Hz
Power Consumption	1000 W
Pump Type	Centrifugal
Approvals	CE
Protection Class	I
Operating Temperature Range	0°C to 35°C