A04-1725-051 - Skuttle Humidifier Filter

The A04-1725-051 is a Skuttle humidifier furnace/whole-house water panel that fits 9 models in our data.

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Furnace water panel

Also known as / cross-references

The A04-1725-051 replaces these part numbers: SK-051, HUM-1725051, HC36A1007, PAD-A04-1725-051.

Humidifiers that use the A04-1725-051 (9)

Frequently asked

What is the A04-1725-051?

The A04-1725-051 is a Skuttle humidifier furnace/whole-house water panel that fits 9 models in our data.

Is the A04-1725-051 a wick or a furnace pad?

The A04-1725-051 is a furnace/whole-house water panel, not a portable-unit wick.

How often should I replace the A04-1725-051?

We don't have a manufacturer-listed replacement interval for this filter - a common default is once per humidifying season.

Is a cheaper compatible filter as good as the OEM one?

A compatible wick or pad that physically fits isn't automatically equivalent - check reviews for real-world fit and how well it wicks water, since humidifier filters aren't independently certified the way NSF-listed water filters are.