Fluid Handling recalls McDonnell & Miller series 750 low water cut-off units for hot water/steam boilers due to fire and explosion hazards from incorrect wiring. Affected units have green and red LEDs and model numbers like 750-MT-120. Contact for free repair or replacement.
The ground wire and probe wires could be incorrectly assembled in the units by the manufacturer, posing fire and explosion hazards.
Fluid Handling is recalling low water cut-off control units for hot water or steam boilers because they can be incorrectly wired by the manufacturer, causing fire or explosion hazards. This affects units with model numbers starting with 750-MT-120 or 751-MT-120. Owners should stop using these units immediately to prevent potential fire or explosion risks.
The units can have ground and probe wires incorrectly assembled by the manufacturer, which may cause electrical short circuits. This can lead to fire or explosion if the unit is part of a boiler's safety system.
Owners of hot water or steam boilers with McDonnell & Miller series 750 low water cut-off units are affected. Boilers with these units are most at risk of fire or explosion if the control unit is incorrectly wired.
Check for a white label with "McDonnell and Miller," "Guard Dog," and model numbers like 750-MT-120, 751-MT-120, or 752P-MT-24. Units have a green "On" LED and red "Low Water" LED, and date codes G41 or H41 on the inside back plate.
Immediately stop using the recalled low water cut-off control units to prevent fire or explosion risks.
Reach out to Fluid Handling/Xylem for a free inspection, repair, or replacement of the unit.
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.
Model numbers 750-MT-120, 751-MT-120, 751P-MT-120, and 752P-MT-24 are affected.
Check for a white label with "McDonnell and Miller," "Guard Dog," and model numbers starting with 750-MT-120 or 751-MT-120. Units have a green "On" LED and red "Low Water" LED, and date codes G41 or H41 on the inside back plate.
Yes, the units can cause fire or explosion if incorrectly wired, which may lead to serious injury or death.
We’ve drafted a message you can send Fluid Handling to request your refund or repair — edit it as you like.
Subject: Recall 1964 — Fluid Handling McDonnell & Miller Low Water Cut-Off control units for hot water or steam boilers Hello, I own a McDonnell & Miller Low Water Cut-Off control units for hot water or steam boilers that is covered by recall 1964 from Fluid Handling. The official recall notice states: 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. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official CPSC recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
