The Delta 52638-SS is a single-setting H2Okinetic round showerhead in Brilliance Stainless. H2Okinetic technology uses a unique internal channel to sculpt water droplets into a wave pattern — larger, slower-moving drops that feel warmer and more enveloping than standard spray at the same flow rate. At 1.75 GPM it is WaterSense certified, using approximately 30% less water than a standard 2.5 GPM head. The round form factor and Brilliance Stainless finish make it a versatile fit for any Delta shower trim or a standalone upgrade. Connects to any standard 1/2 inch NPT shower arm.
Does H2Okinetic actually feel like more water?
Most users report yes. H2Okinetic uses an engineered internal wave channel to create larger, slower water droplets that spread across a wider coverage area. Because the drops hit skin more slowly and with more surface area, they feel warmer and more enveloping than a standard spray pattern at the same flow rate. This is the core purpose of the technology — to deliver a premium feel at a WaterSense-certified 1.75 GPM.
Does this showerhead require a specific Delta shower valve to function?
No. The 52638-SS connects to any standard 1/2 inch NPT shower arm, regardless of brand. It is not dependent on a Delta valve. That said, it is a natural pairing with Delta trim kits like the T14259, T14438, or T14538, which do not include a showerhead in the box.
How do I clean the spray nozzles if mineral buildup occurs?
The 52638-SS features Touch-Clean rubber spray holes. You can wipe the nozzles clean with a damp cloth or your finger — no tools or chemicals required. For heavier calcium or lime scale buildup, soak a cloth in white vinegar and press it against the face for 30 minutes before wiping.
# Delta H2Okinetic Round Shower Head (Brilliance Stainless) **Model:** `52638-SS` **Brand:** Delta **Category:** Shower Head > The Delta 52638-SS is a single-setting H2Okinetic round showerhead in Brilliance Stainless. H2Okinetic technology uses a unique internal channel to sculpt water droplets into a wave pattern — larger, slower-moving drops that feel warmer and more enveloping than standard spray at the same flow rate. At 1.75 GPM it is WaterSense certified, using approximately 30% less water than a standard 2.5 GPM head. The round form factor and Brilliance Stainless finish make it a versatile fit for any Delta shower trim or a standalone upgrade. Connects to any standard 1/2 inch NPT shower arm. ## Specifications | Attribute | Value | |---|---| | Product Type | Shower Head | | Collection | H2Okinetic | | Spray Functions | h2okinetic full coverage | | Spray Settings | 1 | | Flow Rate Gpm | 1.75 | | Watersense | Yes | | Connection Size | 1/2 inch NPT | | H2okinetic | Yes | | In2ition | No | | Face Diameter In | 4.5 | | Finish | Brilliance Stainless | | Finish Code | SS | | Warranty | Lifetime limited | ## What's Included - showerhead Source: https://www.jaspecs.com/delta/shower-head/52638-ss-delta-h2okinetic-round-shower-head/