Can the descaler be used with a tankless boiler unit?

Yes installs on the incoming water line

If needed where would you install a second unit?

It would have to be in the same place.

Can this eliminate iron in the water?

I don't know if it eliminates iron but we've had the Scaleblaster system in our house for well over 10 years and we have no problem with rings in bathroom stools or mineral build up anywhere.

Has anyone have TDS results before and after the device?

The TDS does not change. It just keeps them from joining together and attaching to the pipes.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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ScaleBlaster SB-Elite

Product ID: 316945592

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NZ$2417

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Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

ScaleBlasterSB-Elite

Specifications

Manufacturer	ScaleBlaster
Part Number	SB-Elite
Item Weight	3.44 pounds
Product Dimensions	12.7 x 10.5 x 2.5 inches
Item model number	SB-Elite
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

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