Description
The McDonnell & Miller 304100 is a genuine OEM replacement head gasket (Model F-26) engineered specifically for use with McDonnell & Miller Series 221, 25A, 51, 53, and 3155 low-water cutoff and pump control units. Maintaining a proper seal at the control head is critical to the safe and reliable operation of any hydronic or steam boiler system — a compromised gasket can lead to water leaks, pressure loss, and potential boiler damage.
Using an authentic McDonnell & Miller replacement part ensures a precise fit and long-lasting performance, restoring your control to factory-specification integrity.
Key Features
- Genuine OEM replacement head gasket from McDonnell & Miller (Xylem)
- Model Number: F-26
- Compatible with McDonnell & Miller Series 221, 25A, 51, 53, and 3155 low-water cutoff and pump controls
- Designed for a precise, leak-free seal at the control head
- Helps restore boiler control units to proper operating condition
- Supports safe, reliable hydronic and steam boiler system performance
Compatible Series
- Series 221
- Series 25A
- Series 51
- Series 53
- Series 3155
Product Details
- SKU: 304100
- Model Number: F-26
- Brand: McDonnell & Miller (Xylem)
- Part Type: Head Gasket / Replacement Seal
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