InstaBidsWhat is a pot filler?
A pot filler is a water fitting with a reaching, retractable arm used to fill cooking vessels, commonly over a stove. The federal definition specifies a single water-supply inlet and an articulated arm or equivalent.
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Does a pot filler need a drain?
A pot filler above the stove supplies water into a vessel; it does not provide the sink and drain used to empty that vessel. DOE describes this limitation specifically for pot fillers positioned away from a sink. “In applications where a pot filler is not installed over a sink, it could only be used to fill a vessel with water, given the lack of access to a drain.” Source: U.S. Department of Energy, read 2026-10-31.
How does the federal definition describe what a pot filler is?
The federal definition identifies one supply inlet and an arm, or equivalent mechanism, that reaches out to fill a vessel and retracts afterward. These physical features distinguish the fitting in 10 CFR 430.2; the definition does not require two handles. “Pot filler means a terminal fitting that can accommodate only a single supply water inlet, with an articulated arm or the equivalent that allows the product to reach to fill vessels when in use and allows the product to be retracted when not in use.” Source: U.S. Government Publishing Office, read 2026-10-31.
Can a pot filler dispense hot water?
DOE’s market research describes pot fillers as typically connected only to cold water. It does not establish whether a particular fitting is rated for hot water. As the federal definition quoted above states, 10 CFR 430.2 specifies one supply inlet. “Based on DOE’s market research, the key differences between products described as “pot fillers” and conventional kitchen faucets are that pot fillers are typically installed over a range or cooktop (rather than over a sink), plumbed only to the cold water supply, and are used for the purpose of filling a large vessel (e.g. a stock pot) with a volume of water in the location where it will be heated (which avoids the need to move the pot from the sink to the stove once filled with water).” Source: U.S. Department of Energy, read 2026-10-31. See the U.S. Government Publishing Office passage quoted above.
Why does a pot filler have two handles?
On a two-valve design, opening just one valve accidentally does not release water. DOE describes that purpose for a fitting commonly placed above a stove without a drain. Its final-rule discussion also makes clear that some pot fillers have only one valve. “Given that pot-fillers are typically installed over locations that do not have a drain (e.g., over a stove), the two shut-off valves minimize the chance of accidentally turning on the pot filler when there is not a vessel underneath because an accidental bumping of one shut-off valve from the off to the on position does not turn on the pot filler.” Source: U.S. Department of Energy, read 2026-10-31. “The examples provided by PMI in its comment indicate that not all pot fillers have two or more shut-off valves.” Source: U.S. Department of Energy, read 2026-10-31.
What flow rate does a pot filler have?
There is no single flow rate stated for all pot fillers in these sources. DOE uses 4 gallons per minute as an example, giving approximately 2.5 minutes for the same stock pot discussed in its example. That illustrative figure is not a rating for every fitting. “Filling the same stock pot with a pot filler instead would require approximately 2.5 minutes at a flow rate of 4 gpm (using an example flow rate for a pot filler).” Source: U.S. Department of Energy, read 2026-10-31.
Sources
- Faucets and showerheads: 2021 request for information, pot-filler discussion — U.S. Department of Energy; read 2026-10-31.
- Faucets and showerheads: 2023 final rule, pot-filler definition discussion — U.S. Department of Energy; read 2026-10-31.
- 2026 Code of Federal Regulations, title 10, section 430.2: Pot filler — U.S. Government Publishing Office; read 2026-10-31.