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Water Safety & Flow Control



Float and Thermostatic Steam Traps


1/2 to 2 in. (15 to 50mm)


Series G, MG Float and Thermostatic Steam Traps are used in steam main drip and process applications to remove condensate, air, and non-condensable gases from steam systems. They feature an iron body with a straight-through design, stainless steel valve head & seat, phosphor bronze diaphragm, seamless copper float and rust preventive enamel finish. Series G, MG steam traps are water hammer resistant, and in-line serviceable. They are ideal for use in steam coils, unit heaters, drip points, heat exchangers, water heaters, absorption machines, unit ventilators, air handlers, make-up air coils, reheat coils, and jacketed kettles. Models 6G-15 to 101G-15 have a pressure range of 25" Hg to 15psi. Models 7MG-30 to 101MG-30 have a pressure range of 25" HG to 30psi. Models 6MG-50 to 101MG-50 have a pressure range of 25" HG to 50psi.

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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Additional Information

Danger – Scalding Lurks!

Every year, thousands of people suffer serious thermal shock or scalding injuries in their bathtubs, sinks and showers.

Click here for informative resources to help you protect against these dangers.

Learn About

Thermostatic Mixing Valves

Every year thousands suffer injuries as a result of hot water scalding and thermal shock injuries. Thermostatic mixing valves protect against these dangers.

To learn more about thermostatic mixing valves and how they work, click here.