McDonnell & Miller SA159-17

McDonnell & Miller SA159-17 is a Black 'y' Assembly designed for boiler control applications. This SA159-17 part (model 349400) is a reliable replacement component for systems using McDonnell & Miller controls, ensuring consistent operation and easy integration.

Specifically compatible with 42a, 47, and 64a configurations, the Y-assembly supports critical control flow in safe boiler management. Ideal for HVAC and industrial boiler setups, it serves as a trusted part within the broader McDonnell & Miller parts family. Use it as a genuine replacement to maintain performance and reduce downtime.

Designed for longevity in challenging boiler environments, the Black 'y' Assembly resists wear and maintains seal integrity, supporting steady pressure and reliable valve operation. It aligns with standard installation practices for boiler controls, making upgrades straightforward for maintenance teams.

Stocked as a genuine McDonnell & Miller component, this part helps minimize downtime and keep boiler and heating systems running smoothly.

• Fits McDonnell & Miller SA159-17 (Black 'y' Assembly) with model 349400
• Compatible with 42a, 47, 64a configurations
• Durable Black finish for reliable boiler control
• Easy replacement to minimize downtime
• Part of the McDonnell & Miller replacement parts family