Fluid Handling Recalls Low Water Cut-Off Control Units for Hot Water or Steam Boilers Due to Fire and Explosion Hazards (Recall Alert)
U.S. Consumer Product Safety Commission recall (2014-10-09). Hazards: fire, explosion, laceration. Models: 750-MT-120, 751-MT-120, 751P-MT-120, 752P-MT-24. About 1,200 units in the US.
| Agency | U.S. Consumer Product Safety Commission |
|---|---|
| Recall number | 15703 |
| Published | 2014-10-09 |
| Last updated | 2014-12-09 |
| Product category | Electric Water Heaters |
| Products | McDonnell & Miller Low Water Cut-Off control units for hot water or steam boilers |
| Firm named in the title | Fluid Handling |
| Firms | Fluid Handling LLC, of Morton Grove, Ill., a division of Xylem Inc. (manufacturer) |
| Manufactured in | United States |
| Units (US) | 1,200 |
| Model numbers | 750-MT-120, 751-MT-120, 751P-MT-120, 752P-MT-24 |
| Hazard classes | fire, explosion, laceration |
| Remedy classes | repair, replace, inspect |
| Trade facets | hvac, plumbing water heating |
| Sold | Wholesale plumbing product distributors to plumbing suppliers from July 2014 through August 2014 for between $80 and $125. |
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.
Hazard
The ground wire and probe wires could be incorrectly assembled in the units by the manufacturer, posing fire and explosion hazards.
Remedy
Contact Fluid Handling/Xylem for a free inspection, repair or free installation of a replacement low water cut-off unit. The firm is contacting purchasers directly.
Incidents and injuries
None reported
Machine access
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Source: U.S. Consumer Product Safety Commission recall notice (US Government work). Not affiliated with or endorsed by CPSC. Structured by Data Foundry (product-recall-structuring@2); last changed 2026-09-28. Always confirm with the agency notice.