Product images: Amazon listings
Written from the listing's specs, not from our own use · How we rate
The Kolasina Neutralizer Kit (804000074) keeps it simple: a condensate neutralizer with a fit for part 804000074. A good match for a condensing tankless that drains to a floor drain or a septic tank, rated 6.2/10 on its documented specs.
| Brand | Kolasina |
|---|---|
| Category | Service kits, valves & parts |
| Sold for | Rinnai |
| Part number | 804000074 |
| ASIN | B0FXRLM3G2 |
Full listing title: 804000074 Condensate Neutralizer Kit Fits Rinnai Tankless Water Heater
Rated from the listing's specs, no buyer reviews yet
What it's made for: a condensing tankless that drains to a floor drain or a septic tank.
Two condensate neutralizers close to it on our rating, each with a dated price.
What it has going for it
Part 804000074. Condensing units make acidic water. The media raises its pH before it hits a cast-iron drain or the septic tank, and it needs a refill now and then.
For Rinnai. Parts like this are model-specific. Match the part number in your manual before you order.
Only condensing heaters make acidic condensate. The listing names Rinnai heaters and part 804000074.
A non-condensing unit has no use for it. Check your heater's manual for "condensing" and the drain it asks for.
What the Kolasina Neutralizer Kit (804000074) listing names:
Check these figures against your heater's manual before you order.
On Sep 30, 2026, that price put it around the middle of the 8 condensate neutralizers we have a recent price for.
The button opens the exact listing (ASIN B0FXRLM3G2), where today's price, stock and seller apply.
Our take
The Kolasina Neutralizer Kit (804000074) is about a fit for part 804000074, and it doesn't pretend to be more. No buyer has reviewed it yet, so our 6.2/10 comes from the spec sheet alone. The one thing that bugs us: it only fits the models it lists, so check your manual before you order. We'd pick it if you own a condensing tankless; otherwise, put it next to the yes dre Condensate Neutralizer Kit first.
Before the Kolasina Neutralizer Kit (804000074) goes in your cart, check your model number: it is listed for Rinnai (part 804000074), and fit is model-specific.
Listed for Rinnai (part 804000074). Find the model and part number in your heater's manual and compare it with the listing.
The media gets used up. Check the replacement interval in your heater manual and put it on the calendar with the yearly flush.
How the Kolasina Neutralizer Kit (804000074) stacks up against the closest alternative, the yes dre Condensate Neutralizer Kit.
| Criterion | Kolasina Neutralizer Kit (804000074) | yes dre Condensate Neutralizer Kit |
|---|---|---|
| Our rating | 6.2/10 | 6.5/10 |
| Fits | Rinnai | Rinnai |
Pick the yes dre Condensate Neutralizer Kit if you want our higher-rated option (6.5/10).
We rate it 6.2/10 (fair). The rating comes from its documented listing alone, as no customer-review record is captured yet.
Its listing states a fit for part 804000074. These are the seller's figures, not our measurements: whether it fits your exact heater is worth confirming first.
Your exact model: listed for Rinnai (part 804000074). Find the model and part number in your heater's manual and compare it with the listing. Refills: the media gets used up. Check the replacement interval in your heater manual and put it on the calendar with the yearly flush.
We link to the exact listing on Amazon, where today's price, stock and seller apply. It is an affiliate link, and it has no effect on the rating.
No, we haven't used it ourselves. Everything on this page comes from its listing, read line by line and weighed with our published formula.