McDonnell & Miller's patented self-cleaning probe minimizes scale build-up and extends the recommended cleaning interval to 5 years.

The RB-24E low water cut-off offers several features:

• Brass threads provide a metal-to-metal seal that ensures a leak-free installation
• Integrated wrench flats enable secure installation without damage to the housing
• Plug & Play wiring harnesses are available for most residential gas-burning boilers

Want to learn more about this low water cut-off? Read our blog about boiler repair parts here.

Weight	1.5 lb
Height	5.75 in.
Horse Power	1/3
Length	1.88 in.
Material	Brass
Width	1.88 in.
Inventory Number	MCDMRB24EL
MPN	144690