RB-24E Low Water Cut-Off

2021-12-29

Operation of RB-24E Low Water Cut-Off

The Model RB-24 Low Water Cut-Off is specifically designed to provide burner cut-off if there is an unsafe water loss, which can result from a broken or leaking radiator or pipe, or a cracked section in the boiler.

Water/glycol mixtures up to 50% concentration may be used.

Specifications of RB-24E Low Water Cut-Off

Temperature:
- Storage: -40˚F to 120˚F (-40˚C to 49˚C)
- Ambient: 32˚F to 120˚F (0˚C to 49˚C)
Humidity: 85% (non-condensing)
Maximum Water Pressure: 50 psi (3.5 kg/cm2)
Maximum Water Temperature: 250˚F (121˚C)

Features and Benefits of the McDonnell & Miller RB-24E

The all-new McDonnell & Miller RB-24E low water cut-off offers several new 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.
McDonnell & Miller’s patented self-cleaning probe minimizes scale build-up and extends
the recommended cleaning interval to 5 years.
“Plug & Play” wiring harnesses are available for most residential gas-burning boilers.
Designed, built, and tested at Xylem’s production facility in Morton Grove, IL USA.

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