
Mercoid temperature and level controls. Pressure switches, level switches, and controllers for industrial process applications.

Mercoid Series DA pressure switch — the industry-standard mercury-free pressure control.

Mercoid Series DAH pressure switch for high-pressure applications.

Mercoid pressure controller for precise process pressure control.
Mercoid Series A7 pressure switch for single pressure applications.
Mercoid Series SA1100 pressure switch.
Mercoid Series 1000W pressure switch for water applications.

Side mounted-chamber type. Compact, low cost, NEMA 4X, 800 psig, 600°F.

Flanged chamber type. Easy inspection access, 300 psig, 425°F.

Insertion type. Adjustable deadband, direct tank mount, 400 psig, 425°F.

Side mounted-chamber type. 500 psig, 750°F, UL & CSA approved.

Flanged chamber, external mount. 450 psig, 500°F.

Welded chamber, external mount. 1250 psig, 750°F, explosion-proof available.

Welded chamber, single stage. Low cost, hermetically sealed snap switches.

Flanged chamber. Adjustable deadband 12–24″, 1000 psig, 475°F.

Flanged chamber, external mount. 1000 psig, 475°F.

Single stage displacer type. Fixed or adjustable deadband, pump or alarm.

Two stage displacer type. Dual setpoints for pump and alarm service.

Submersible level transmitter. Perfect for sludge and slurries. Lightning protected, intrinsically safe option.

Submersible level transmitter. Perfect for ground water and wells. Lightning protected or intrinsically safe.

Miniature submersible level transmitter. Only 0.63″ diameter. Perfect for wells and boreholes. Up to ±0.10% accuracy.

Flush tip submersible level transmitter. Perfect for sludge and slurries. Non-clogging design, ±0.25% accuracy.