--- type: product schema_version: 1 stock_number: "99686-1" canonical_url: "https://www.artisantg.com/PLC/99686-1/Emerson-Numatics-R21R-03-Pneumatic-Regulator" json_url: "https://www.artisantg.com/PLC/99686-1/Emerson-Numatics-R21R-03-Pneumatic-Regulator.json" generated_at: "2026-11-07T02:06:00.249Z" last_updated: "2026-08-19T19:05:39.480-05:00" --- # Emerson / Numatics R21R-03 Pneumatic Regulator _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Numatics - Model: R21R-03 - Condition: Used and in Excellent Condition - Price: $75.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 5 lb - Shipping dimensions: 14X14X6 in ## Categories - Industrial Systems Equipment > Control Systems and Components > Valves (primary) ## Details This unit includes a Numatic UK21-03 Switch and Numatics 214-103 Pressure Gauge. If you would like to purchase an individual component of this unit, please contact Artisan Technology Group Sales for pricing and availability. View Photo of UK21-03. View Photo of 214-03. ## Images - - - -