It is a compact unit with 3 4 mip connections and a 1 3 8 probe.
Mcdonnell miller low water cutoff probe.
Features and benefits for residential and commercial applications electronic operation easy to install and wire red low water indicating led green power indicating led now with test button automatic reset no blow down required 20 000 ohms probe sensitivity maximum ambient temperature 120 f 49 c maximum water temperature 250 f 121 c maximum water pressure 160 psi 11 2 kg cm2.
Mcdonnell miller 176296 752p mt 24 guarddog electronic manual reset low water cutoff w standard probe water low water cut offs with remote sensor for commercial or industrial applications primary or secondary control on hot water boilers secondary control manual reset models only on steam boilers manual reset models meet the requirements of asme standard csd 1.
It features a lcd display on the control box.
Mcdonnell miller model number rbt 3000 is a remote electronic low water cut off control probe for hot water boilers.
This new patented technology provides the best protection possible without turning off the boiler unless aread more.
This probe is 24 volt with a maximum pressure of 160 psi.
The series pse 800 m manual reset lwco is a new addition to the mcdonnell miller probe type low water cut off group of products.
Mcdonnell miller low water cut offs are specially designed to protect steam and hot water boilers from the hazards of a low water condition.
The series pse 800 probe type lwco uses patented technology to monitor changes in water conductivity.
With a self cleaning probe available only on mcdonnellread more.
In operation they will interrupt the electrical current to the firing device if the water in the system drops below the boiler manufacturer s minimum safe water level.