FREE SHIPPING
Free shipping on every order — no minimum purchase required.DESCRIPTION
Dwyer Photohelic Pressure Switch Model A300 is an industrial-grade differential pressure switch designed for HVAC, clean room, and filtration systems. This reliable switch monitors air pressure changes and triggers alarms or equipment shutdowns when thresholds are exceeded.
- Adjustable setpoint range: 0.04 to 0.20 inches of water column
- SPDT relay output for alarm or equipment control
- Durable phenolic enclosure rated for harsh environments
- Visual indicator light for instant status confirmation
Built for accuracy and longevity, this switch prevents system damage and maintains filter efficiency without constant manual monitoring. Free shipping included.
SHIPPING & RETURNS
SHIPPING
- Free Shipping on all orders — no minimum purchase required.
- Orders are dispatched within 24 hours of purchase (business days).
- Estimated delivery: 2–5 business days within the contiguous United States.
- Tracking information emailed as soon as your order ships.
RETURNS
- Exchanges accepted — we want you to be completely satisfied.
- If a part does not fit or is not as described, contact us within 7 days for an exchange.
- Items must be in original, unused condition and in original packaging.
WARRANTY
- 1-Year extended warranty available at additional cost — ask us for details.
FITMENT & COMPATIBILITY
Please verify that this part is compatible with your vehicle's year, make, model, and trim level before ordering. Part numbers and fitment details are listed in the product description. If you have any questions about compatibility, our team is happy to help — contact us by phone or email before purchasing.
Phone: (803) 723-7074
Email: sales@findmypart.shop
Hours: Mon–Fri, 9am–5pm EST
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