Pneumatic Ratio Relay, Four Port Non Bleed Relay which Produces a Modulating Pressure Output, Proportional in a Fixed Ratio to Pilot Input Changes, 3 Psi Input Span for 3-13 Psi Output, Wall,Inline or Panel Mount, 0.002 Scfm Airflow Usage, Port 1 has 1/4" Barb Fitting , Other ports have 5/32" Barb Fittings, 0-140 Degree Temperature Range, 5-95% RH Operating Humidity Range, 30 Psi Maximum Operating Pressure, Adjustable 0-10 Psi Pilot Start Pressure

Existing reviews

Helpful Product Insight

Fitment on our appliance was accurate while replacing the old component cause the original component had worn out over time. Repair solved the original problem.

From: Guest | Date: 10/2/2025 9:36 AM

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Repair Outcome

Had to replace this after our older unit needed replacement part. Fitment on our appliance was accurate. Unit completed a full cycle without issues. Part quality feels reasonable compared to original one.

From: Peter | Date: 10/26/2025 9:36 AM

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Installation Experience

Wasnt completely sure this would match at first since the original component had worn out over time. Thankfully connector alignment matched better than expected and everything is working again.

From: Guest | Date: 2/12/2026 8:36 AM

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Compatibility Feedback

Picked this up cause the appliance suddenly stopped working properly. Needed basic hand tools only. Repair solved the original problem. Packaging was decent and part arrived undamaged.

From: Scotty | Date: 2/18/2026 8:36 AM

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