149400 | Xylem | Combustion & Flame Safety

The 149400 is a McDonnell & Miller Series 67 low water cut-off.

Protect your steam boiler system with the reliable performance of the Series 67 mechanical low water cut-off (LWCO). Built for boilers of any steaming capacity, the Series 67 features a large float chamber and dual precision switches for dependable operation of the LWCO and alarm or electric water feeder. Designed for both residential and commercial applications, the Series 67 helps safeguard boilers by automatically shutting down the burner when water levels fall below safe operating conditions, helping prevent costly equipment damage and unsafe operating situations.