Dwyer Photohelic A3000 Pressure Switch/Gauge 0–100 in w.c. 120VAC Type 2


Product Details

  • Manufacturer: Dwyer Instruments
  • Series / Model: Photohelic A3000 (dial range 0–100 in w.c.)
  • Function: Differential/positive/negative pressure switch + gauge
  • Enclosure: Type 2
  • Power Supply: 120 VAC, 50/60 Hz, 6 watts
  • Contacts (per A3000 family): 10 A @ 120/240 VAC or 28 VDC, 1/3 HP @ 120/240 VAC
  • Pressure Limit: 25 psig max
  • Temperature: 20°F to 120°F operating
  • Media: Air & non-combustible gases

New Old Stock (NOS)

  • New old stock (surplus). Unused item from long-term industrial storage. Packaging often shows heavy shelf wear (dust, discoloration, scuffs, torn or missing labels). Cosmetic aging may be present on the item (e.g., light oxidation or color fade) without affecting function. Documentation/accessories may be dated or incomplete. See photos for what's included.


Shipping & Handling


Return Policy

We offer a 30-day return policy with the following terms: