McDonnell & Miller SA63-30

The McDonnell & Miller SA63-30 float assembly is a dependable replacement part for the 63 line, model 343400. This complete unit includes a CO-12 gasket for a ready-to-install solution that helps maintain accurate water level control.

Designed for straightforward installation, it delivers reliable performance in compatible boiler and hydronic systems. The 343400 designation ensures a precise fit, while the CO-12 gasket delivers a tight seal and leak-free operation, making this a trusted McDonnell & Miller replacement part for SA63-30 applications.

• Model: 343400
• Includes: CO-12 gasket
• Compatibility: SA63-30 float assembly for 63-series systems
• Durability: Robust construction for long-term use
• Installation: Designed for easy, standard-fit connections