

The Graco 17T450 Pressure Regulator Kit controls water inlet pressure to ensure consistent flow to the dosing valve and spray system.
The Graco 17T450 Pressure Regulator Kit (1/2″) is the genuine Graco component responsible for controlling and stabilizing the water inlet pressure before it enters the meter or dosing valve. By maintaining the pressure within a defined range, this regulator ensures smooth, consistent water metering — a critical step in achieving high-quality mixes and spray performance. :contentReference[oaicite:14]{index=14}
Improper or fluctuating water pressure can lead to inconsistent material density, poor mix quality, or erratic spray patterns. This regulator kit helps prevent such issues by damping pressure spikes and ensuring that downstream components receive water at the chosen setpoint. :contentReference[oaicite:15]{index=15}
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