McDonnell & Miller has launched the new Series 1575 Low Water Cut-Off / Pump Controller. The Series 1575 provides continuous protection against a low water condition and satisfies pump control needs for commercial steam and hot water boilers.
The Series 1575 is used as a low water cut-off, feed water control and alarm for boilers, vessels and tanks and includes a 1Hp pump relay, as well as adjustable burner and pump settings.
Other features to enhance its simplicity, ease of installation and versatility include:
- Diagnostic features incorporated in the control:
- High ambient temperature protection
- Internal LEDs that indicate water position and condition
- External LEDs that indicate control activity
- Set points and differentials remain constant throughout pressure range
- Probe operation diagnostics
- Sensitivity monitor – Sequence monitor – Wetted probe monitor
- Adjustable 60-second burner-off time delays
- Adjustable pump differentials by cutting probe to desired set points
- Redundant low-water and pump-off circuitry
- 1 Hp burner and pump relay
- Control unit can be mounted in any convenient location
- Test button standard
- Probe chamber with 3 probes and gauge glass tappings
- 4th probe can be added for high water control
Some of the key benefits of the Series 1575 Combination Low Water Cut-Off/Pump Controllers for Steam Boilers are:
- Prevents rapid burner and pump cycling
- Constant operation throughout pressure range
- Electrical starters not required for motors up to 1 Hp
- Easy monitoring of operation
- Easy troubleshooting








