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Plumberpro
Plumberpro, Home Appliance Technician
Category: Appliance
Satisfied Customers: 634
Experience:  Heating and hot water heating appliances experienced
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Thank you for your answer that a stainless steel radiator is

Customer Question

Thank you for your answer that a stainless steel radiator is required for a Direct Feed system. Is the DeLonghi Deco stainless steel radiator suitable fof a Direct Feed system.
Thank you *****
Submitted: 2 years ago.
Category: Appliance
Expert:  Plumberpro replied 2 years ago.
Customer:

Hi . if it is going to be fresh water going into it then it has to be a brass radiator or it will rust out

Expert:  George-Allsorts replied 2 years ago.
Hello John, you are welcome... I didn't however say they are required, but indicated as requested to say that they are suitable.. This depends on the type of stainless steel..

Tests show that 304 stainless steel and 431 stainless steel do not corrode in Reverse Osmosis water situations

Under shut down conditions, 304 SS is best resistant

Under shut down conditions, 304 SS is free from crevice effect in Reverse Osmosis water


**Reverse Osmosis WATER CONTAINING 250-350 PPM CHLORIDE1 - a process by which a solvent passes through a porous membrane in the direction opposite to that for natural osmosis when subjected to a hydrostatic pressure greater than the osmotic pressure.

Expert:  George-Allsorts replied 2 years ago.
This should give you ammo to request from tech at Delonghi when requesting what you need
Expert:  Plumberpro replied 2 years ago.
If it is not that stainless steel ss304 then ask if they do a brass one too.