Replacement head mechanism for McDonnell & Miller Series 63 low water cut-off controls used on steam and hot water boilers. Includes No. 2 switch, gasket, and bolts. Rated for maximum boiler pressure of 50 psi. Essential safety component that monitors water levels and triggers burner shutdown during low water conditions to prevent dry-firing damage.
Xylem-McDonnell & Miller 63-HD Head Mechanism 50 PSI
Xylem-McDonnell & Miller
$746.95
- OEM / cross-reference
- 142600
- Fits brands
- McDonnell & Miller
- SKU:
- 63-HD
- Product Type:
- Low Water Cut-Off Head Mechanism
- Subcategory:
- Boiler Safety Control
- Application:
- Commercial/Industrial
- System Type:
- Boiler, Steam Boiler, Hot Water Boiler
- Installation Type:
- OEM Replacement
- Voltage:
- 120/240V AC
- Phase:
- Single Phase
- Amperage:
- 10.2A at 120V, 5.1A at 240V
- Pressure Rating:
- 50 PSI
- Inlet Size:
- 1" NPT
- Connection Type:
- NPT
- Material:
- Cast Iron
- Switch Action:
- SPST-NO