The FM911 is a boiler fill valve that includes a backflow preventer. It has an 8 to 50 psi adjustment range, and 150 psi maximum operating pressure, with a 1/2" NPT connection size for both input & output sides.
The Dial-set boiler fill valve is suitable for use with closed heating system applications. The unit is used to allow quick and safe filling or refilling. It is easy to operate with Dial-set technology that provides a simple output pressure setting in psi.
The FM911 is easy to install with the included union nut, 1/2" Male NPT tailpiece, and 1/2" Female sweat tailpiece.
| Adjustment Range | 8 to 50 psi |
|---|---|
| Connection Size | 1/2" NPT |
| Medium Temperature | 33°F to 140°F |
| Maximum Operating Pressure | 150 psi (1034 kPa) |
| Application | Closed Heating Systems |
| Manometer Connection Size | 1/4" NPT |
| Factory Pressure Setting | 15 psi |
| Inlet and Outlet Connection Type | Union Fitting |
| Material | Brass |
| Filter Material | Stainless Steel |
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