Solution for water heater scale

[bigb56]

I have a gas tankless Rinnai water heater. It was replaced about 2 years ago. We have a lot of issues with scale finding it's way to the fixtures. We have hard water and not really wanting a whole house water softener. Is there a solution I can put at the water heater, either before of after, that will reduce or eliminate the scale that travels to the fixtures? I would not be opposed to softening just our hot water but there is limited space in the utility closet where the Rinnai is located.

 

[Breplum]

3M AquaPure make a scale stopper, Navien makes a PeakFlow scale prevention unit

 

[Sponsor]

 

[bigb56]

3M AquaPure make a scale stopper, Navien makes a PeakFlow scale prevention unit

Thanks, I'll check them out.

 

[bigb56]

Looks like the Aqua Pure injects polyphosphates to do the job, not exactly sure how the more expensive Navien works. I am not opposed to chemicals nor am I necessarily on a budget. Which would you choose?

 

[Breplum]

No personal experience to offer. Sorry.