M&M 157S

Liquid Level Controls
Flow Switches
Boiler Controls

ITT McDonnell & Miller – the industry leader. Delivering reliable performance and safety in boiler and level control products for over 70 years.

Whether it’s ease of serviceability, continuous improvement, product enhancements or interchangeability, ITT McDonnell & Miller is continually doing more to give you the best performing residential, commercial and industrial liquid level and flow control products found anywhere.

ITT McDonnell & Miller is the recipient of the highly coveted "ISO 9001" Certification given only by the International Standards Organization. Recognized by more than 50 countries, these worldwide standards provide a uniform measure of quality procedures in manufacturing and service organizations.

Participation in the rigid and demanding ISO 9000 Certification process is one of our most important activities. We want our customers and competitors – both in the United States and abroad – to know that we are dedicated to designing, producing and marketing the very highest quality products available anywhere.

Catalog [PDF]  

Parts Guide [PDF]