McDonnell & Miller 269

McDonnell & Miller 269 is a trusted replacement boiler control built for dependable performance in commercial and residential heating systems. Featuring a W/2-1/4" (57 mm) insertion length, this part provides a precise fit for quick swaps and reduced downtime. Model 269, part number 155200, serves as a reliable McDonnell & Miller replacement that simplifies maintenance and keeps boiler operation steady. Designed to integrate with standard control assemblies, it supports consistent ignition, monitoring, and safe shutdown when needed.

Engineered for durability in demanding environments, this replacement boiler control component delivers long service life in commercial HVAC applications. It pairs well with a range of McDonnell & Miller systems and offers straightforward installation for technicians and facility teams. By choosing this high-quality part, you minimize downtime and maintain efficient boiler performance across varied duty cycles.

• Direct-fit replacement for McDonnell & Miller 269 boiler controls
• Insertion length: 2-1/4" (57 mm) for precise mounting
• Part number 155200 ensures easy ordering and compatibility
• Durable materials designed for long service life in commercial settings
• Simple, tool-friendly installation with standard mounting