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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: poleman on July 22, 2010, 10:21:17 pm

Title: HF4 V HF5 membranes
Post by: poleman on July 22, 2010, 10:21:17 pm

Whats the difference in the above membranes  :-\ looking to buy a static system and its £100 more for the HF5 is there anything to be gained in having the HF5  :-\

Title: Re: HF4 V HF5 membranes
Post by: Nick Wareham on July 22, 2010, 11:49:26 pm

HF5 is suitable for lower water pressure compared to the HF4.  I think with HF4 you generally need a booster pump, but with a HF5 if your tap pressure is about 50psi or above, it will be ok.

I could be wrong, but thats what I think anyway.