Gecko AquaFlo [Val-Pak].75 HP Dominator Pump Impeller [Med Head] (91692455) is a purpose-built replacement designed to restore the precise performance of your Dominator pump. Drawing on Gecko's 25-plus years of engineering experience, this closed-face impeller delivers consistent flow and reliable head pressure for spa and pool systems.
Designed for reliable, mid-head performance
With a 4-1/2" outer diameter and a 2-3/8" eye diameter, this impeller is tuned for mid-range head applications in Dominator pumps. The closed-face design reduces leakage and improves efficiency, helping your pump move water more smoothly and with less energy waste. The precise vane width and thickness choices are engineered to balance flow rate with suction stability, so you experience steady jets and quiet operation.
Key specifications
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Impeller Type: Closed Face
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Impeller Diameter OD: 4-1/2"
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Vane Width ID: 1/8"
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Eye Diameter OD: 2-3/8"
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Eye Length: 5/8"
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Impeller Thickness OD: 3/8"
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Seal Seat Depth: 11/16"
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Shaft Length: n/a
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Shaft Diameter OD: n/a
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Seal Seat Diameter OD: 1-1/2"
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Manufacturer: AquaFlo/Gecko
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Pump Application: Dominator
Why choose this Gecko impeller for your Dominator pump?
- Optimizes mid-head performance for spa and pool setups, helping maintain consistent pressure across jets and returns.
- Gecko's heritage in interface and control design translates to a part that fits and functions predictably, reducing trial-and-error replacements.
- Built to withstand regular spa maintenance and routine filter cleans with reliable, long-lasting materials.
Practical tips for installation and care
- Match this med-head impeller specifically to Gecko AquaFlo Dominator pumps to ensure proper seal and rotation direction.
- Before installation, inspect the pump housing and seal for wear; replace worn seals or gaskets to prevent leakage and loss of prime.
- Handle with care to avoid blade nicks; a small imperfection can impact flow and efficiency.
- Regularly check water chemistry and debris levels; a clean filter and balanced chemistry help maintain optimal pump efficiency.
Whether you're refurbishing a spa, hot tub, or pool system, the Gecko AquaFlo [Val-Pak].75 HP Dominator Pump Impeller [Med Head] is a precise, durable choice that restores robust flow without overtaxing the motor. Tap into Gecko's engineering craftsmanship and keep your Dominator pump performing at its best.
