Siemens Series QP… pressure switches

Pressure Switches for Gas and Air

QP pressure switches are used for gas and air pressure supervision on industrial and
commercial burner applications.

The QPL31 series pressure switches break the electrical circuit when the pressure
drops below the adjusted value.

The QPH31 series pressure switches break the electrical circuit when the pressure
increases above the adjusted value.

Features

• UL listed for USA and Canada, FM approved, ISO 9001 certified; European approved versions available.
• Adjustable pressure range from 1 to 112 inches water column (WC).
• Automatic and manual reset models.
• Ventless installation.
• Surge protected up to 15 psi.