Dia-seal Pistons
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P1H Series
Dia-Seal Piston
NEMA 4 enclosure, long life, high cycle, ranges from .5 - 1600 psi
Applications
- Pump & compressor monitoring
- Air proving in HVAC systems
- Irrigation systems
- Engine monitoring
- Machine tools
- General industrial applications
E1S, E1H Series
Econ-O-Trol Switch
E1S-H-VAC
Dia-seal piston model, stripped, vacuum range from .5 - 30 inches Hg. Accuracy of +/-2% of range.
E1H-H-VAC
NEMA 4 housing, Dia-seal piston model, vacuum range from .5 - 30 inches Hg. Accuracy of +/-2% of range.
Applications
- Medical equipment
- Pump & compressor monitoring
- Air proving in HVAC systems
- Irrigation systems
- Engine monitoring
- Machine tools
- General industrial applications
- Metal working
- Food & beverage

P1X Series
Diaphragm Differential Switch
Explosion Proof Dia-Seal Piston
Explosion proof, long life, high cycle, NEMA 7 & 9 enclosure, ranges from .5 - 1,600 psi
Applications
- Power plants
- Water pumps
- Hydraulic power units
- Pneumatic devices
- General industrial applicaitons
- Oil & gas applications

MSPS/MSPH Series
The Little General
MSPS Series
Stripped, low pressure, compact, economical, ranges from .5 - 100 psi
MSPH Series
NEMA 4 housed, low pressure, compact, economical, ranges from .5 - 100 psi
Applications
- Pool & spa heaters
- Beverage dispensers
- Medical gas delivery systems
- General industrial applications