McDonnell & Miller RB-24E 144692, Electronic, 24V Low Water Cut-Off - (Water)
by McDonnell & Miller
Home & GardenHousehold Appliance AccessoriesFurnace & Boiler Accessories
| Manufacturer part number | RB-24E |
|---|---|
| Plumbing Deals SKU | MCDMRB24E |
| UPC / GTIN | 751875446928 |
| Availability | In stock at Plumbing Deals, as of 18 Oct 2026 |
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Description
From Plumbing Deals' product listing.
The Model RB-24E 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. McDonnell & Miller’s patented self-cleaning probe minimizes scale build-up and extends the recommended cleaning interval to 5 years. Water/glycol mixtures up to 50% concentration may be used. Features 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.