McDonnell & Miller | Xylem Grenada

Contact Us
Find Your Local Rep
Enable high contrast mode
- Select language
- Algeria
- Angola
- Anguilla
- Antigua and Barbuda
- Argentina
- Australia
- Austria
- Azerbaijan
- Bahamas
- Bahrain
- Barbados
- Belgium
- Belize
- Benin
- Bermuda
- Bolivia
- Botswana
- Brazil
- British Virgin Islands
- Bulgaria
- Burkina Faso
- Burundi
- Cabo Verde
- Cameroon
- Canada English
- Canada Français
- Cayman Islands
- Central African Republic
- Chad
- Chile
- China
- Colombia
- Comoros
- Congo
- Congo, Republic of the
- Costa Rica
- Cote d'Ivoire
- Croatia
- Czech Republic
- Denmark
- Djibouti
- Dominican Republic
- Dominicana
- Ecuador
- Egypt
- El Salvador
- Equatorial Guinea
- Eritrea
- Eswatini
- Ethiopia
- Finland
- France
- Gabon
- Gambia
- Germany
- Ghana
- Greece
- Grenada
- Guadeloupe
- Guatemala
- Guinea
- Guinea-Bissau
- Guyana
- Haiti
- Honduras
- Hong Kong
- Hungary
- India
- Indonesia
- Iraq
- Ireland
- Israel
- Italy
- Jamaica
- Japan
- Jordan
- Kazakhstan
- Kenya
- Korea
- Kuwait
- Lebanon
- Lesotho
- Liberia
- Libya
- Lithuania
- Madagascar
- Malawi
- Malaysia
- Mali
- Martinique
- Mauritania
- Mauritius
- Mexico
- Mongolia
- Montserrat
- Morocco
- Mozambique
- Namibia
- Netherlands
- New Zealand
- Nicaragua
- Niger
- Nigeria
- Norway
- Oman
- Panama
- Paraguay
- Peru
- Philippines
- Poland
- Portugal
- Puerto Rico
- Qatar
- Romania
- Rwanda
- Saint Kitts and Nevis
- Saint Lucia
- Saint Vincent and the Grenadines
- Sao Tome and Principe
- Saudi Arabia
- Senegal
- Seychelles
- Sierra Leone
- Singapore
- Slovakia
- Somalia
- South Africa and Sub-Saharan Africa
- South Sudan
- Spain
- Sudan
- Sweden
- Taiwan
- Tanzania
- Thailand
- Togo
- Trinidad and Tobago
- Tunisia
- Turkey
- U.A.E
- U.S. Virgin Islands
- Uganda
- Ukraine
- United Kingdom
- United States
- Uruguay
- Uzbekistan
- Venezuela
- Vietnam
- Yemen
- Zambia
- Zimbabwe

Simplify your supply

Discover the most innovative line of electronic low water cut off devices available today, including the world's first configurable device.

Start Simplifying
A Century of Innovation with McDonnell & Miller

This year marks 100 years of McDonnell & Miller as a leader in engineering and manufacturing safety devices for steam and hot water boilers.

Learn more
A boiler control workhorse

Introducing the GuardDog® RB-122E, a sturdy, reliable primary cut-off device for residential and commercial hot water boilers.

Do more now
Small but powerful boiler control

Introducing the GuardDog® RB-24SE, which packs a whole lot of control into a compact device, making it ideal for tight spaces.

Do more with less

Ready to talk to an expert?

GuardDog® RB-24SE Low Water Cut Off

More efficiency in a smaller footprint.

GuardDog® RB-122-E Low Water Cut Off

Reduced costs plus worry-free reliability.

100th Anniversary!

100 years of dependability and innovation.

Flow Switch - FS6

A full line of flow switches.

Featured Products