Where the water level in the cold storage tank is below the level of the shower outlet a ‘negative head’ situation exists. Specialist Automatic Negative Head pumps to overcome this problem are available from Grundfos.
Manual Negative
Manually operated Negative Head Kits are also available from Grundfos for all pump ranges excluding Premier Heavy Duty Brass. To size your pump correctly to meet with your requirements, please refer to the shower pump selector opposite or call our technical helpline on 0845 2000 912.
