Thermostats, switches, pumps

Systems for heat transfer and energy conversion must be protected by suitable contactors (e.g. thermostats, pressure switches or level switches) in accordance with standards. Baelz offers a wide range for this and is happy to advise you.

Frost protection monitor baelz 69/1-OM

Frost protection monitor for temperature monitoring of air heaters against freezing.

Double thermostat Pilot® baelz 231/2-J-W

The TÜV type-tested double thermostat Pilot® functions purely electromechanically while being reliable and low–priced. It is used for decentralized temperature control as a controller, monitor or limiter.

STW = safety temperature monitor

STB = safety temperature limiter

Double thermostat Pilot® baelz 231/2

Inline expansion thermostat Pilot® baelz 239/3-J

The DIN-registered inline expansion thermostat Pilot® functions purely electromechanically while being reliable and attractively priced. It is used for decentralized temperature control as a safety temperature monitor (STW).

Condensate pilot baelz 740-CR

Vertical high pressure centrifugal pumps available in many designs. Designed for durability under high pressure loads.

baelz 740-S-E: Condensate pilot as submersible pump baelz 740-S-E... For installation in condensate tank baelz 128-E. Self-priming, vertical submersible centrifugal pump in sectional design made of chrome nickel steel.

Pump controller baelz 749

Pump controllers baelz 749/1-SEG for 1 condensate pump; baelz 749/2-SEG for 2 condensate pumps. Up to max. 1.5 kW, with fault alarm output.

Float switch baelz 779

The flange and housing float switches baelz 779... are used for level monitoring.

Float switch baelz 783

Float switch for vertical installation for level monitoring.

Diaphragm differential pressure switch baelz 831/2-fs

Diaphragm differential pressure switch for differential pressure monitoring in firing, ventilation and air conditioning technology. It is suitable for switching a circuit on, off or over when the actual pressure value changes in relation to the setpoint.

Safety pressure switch baelz 834

The TÜV-tested safety pressure switches baelz 834 are suitable for pressure limitation and pressure monitoring in steam and hot water systems.

Pressure switch baelz 835/5

For monitoring and controlling the pressure of liquids and gases in pipelines, boilers, pressure vessels, water extinguishing systems and apparatus.

Amplifier relay baelz 1781/5

Amplifier relay baelz 1781/5 can be used with level probe baelz 1782-4 as electronic sensor for interfaces, e.g. water steam and condensate.

Operating instructions

Declarations of conformity / Manufacturer's declarations

Data sheets

Level probe baelz 1782/4

Level probe baelz 1782-4 can be used with amplifier relay baelz 1781/5. No floats, i.e. no moving parts in the fluid, no sticking, e.g. due to corrosion.

Duct smoke detector baelz 1783/2

Duct smoke detector for controlling fans and for monitoring ventilation. VdS approved (G210059).