How frequently do I have to change the filter?

FC15B: 6 months; FWDS80K: 6 months; but it will depend on your daily usage and feed water quality.

Will WGB21B-DS whole house water filtration system decrease water pressure to the house?

It should not. If you experience significant pressure loss, please let us know.

What are the water pressure requirements for the WGB21B-DS residential water treatment systems to work?

The feed water pressure needs to be between 25 psi and 80 psi.

Is this domestic water purification system suitable for well water?

This whole house water purification system can filter both city water and well water. However, it doesn't filter out viruses and bacteria. For well water, a whole house UV stage (#UVF55FS) is recommended.

Does WGB21B-DS home water filtration system work on hot water?

No, we do not recommend installing a water filter for home to filter hot water as the high temperature can damage the carbon block filter. The operating temperature for the whole house system is 40 - 100°F.