EPD1S / EPD1H Low Cost Differential Pressure Switch
Low Cost Differential Pressure Switches
Barksdale EPD1S stripped and EPD1H housed models provide single-setting differential pressure monitoring for filtration, HVAC air proving and equipment protection.
The Barksdale EPD1S (stripped) and EPD1H (housed) are single-setting differential pressure switches for monitoring filter loading, air proving, and other low differential pressure applications. Their snap-action switch and adjustable set-point screw provide reliable pressure control.
- Working ranges: 0.22-12 psi (Range 32) or 3-150 psi (Range 40)
- Set-point adjustment range: 0.22-40 psi
- SPDT snap action, rated 4 A at 125/250 VAC
- 1/8 in. NPT female process connection
- EPD1H housed version is NEMA 4; EPD1S stripped version has 12 in. free leads
Select & Configure Model
| Base Model # | Pressure Range | Contact Style | Reset Style | Fitting | Normally In Stock | Add to Cart / Configure Part # |
| EPD1S | 0.22–150 psi working range (range dependent) | SPDT | Single setting | 1/8 in. NPT female | Inquire | Configurator |
| EPD1H | 0.22–150 psi working range (range dependent) | SPDT | Single setting | 1/8 in. NPT female | Inquire | Configurator |





