# Fluid Handling Recalls Low Water Cut-Off Control Units for Hot Water or Steam Boilers Due to Fire and Explosion Hazards (Recall Alert)
> **CPSC recall** · 2014-10-09 · 15703 · 1 injuries reported
## Recall
- **Number:** 15703
- **Date:** 2014-10-09
- **Injuries reported:** 1
## Products

McDonnell & Miller Low Water Cut-Off control units for hot water or steam boilers

## Hazards

The ground wire and probe wires could be incorrectly assembled in the units by the manufacturer, posing fire and explosion hazards.

## Remedies

Replace; Repair

## Manufacturer(s)

Fluid Handling LLC, of Morton Grove, Ill., a division of Xylem Inc.

## Retailer(s)

Wholesale plumbing product distributors to plumbing suppliers from July 2014 through August 2014 for between $80 and $125.

## Country of manufacture

United States

## Description

This recall involves McDonnell and Miller series 750 Low Water Cut-Off control units, which in connection with a water level sensor, are used as a primary or secondary safety control on hot water or steam boilers to signal the boiler to provide protection in low water conditions. The unit is mounted on the outside of a boiler, generally near the boiler's main electrical panel. They are black and measure about 6 inches high x 5 inches wide x 2 1/2 inches deep. The units have a green LED "On" light, a red LED "Low Water" light and test and manual reset buttons on the top. "McDonnell and Miller," "Guard Dog," "Low Water Cut-Off" and model numbers 750-MT-120, 751-MT-120, 751P-MT-120 or 752P-MT-24 are printed on a white label on the outside of the unit. Date codes G41 or H41 are inked on the inside back plate.

## Source
- [CPSC recall page](https://www.cpsc.gov/Recalls/2015/Fluid-Handling-Recalls-Low-Water-Cut-Off-Control-Units-for-Hot-Water-or-Steam-Boilers)
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