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Mcdonnell & Miller RBT-3000 LWCO & Fuel Economizer – Obsolete - Low Water Cut Offs
Mcdonnell & MillerLow Water Cut Offs

Mcdonnell & Miller RBT-3000 LWCO & Fuel Economizer – Obsolete

Note: listed by manufacturer as obsolete/discontinued.

SKU 3G-OTH-02722

Also listed as: RBT3000 · RBT 3000

Brand
Mcdonnell & Miller
Item
RBT-3000 LWCO & Fuel Economizer – Obsolete
Part Number
RBT-3000
Category
Low Water Cut Offs
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Mcdonnell & Miller Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Note: listed by manufacturer as obsolete/discontinued.

Frequently Asked Questions

What is the McDonnell & Miller RBT-3000 low water cut off used for?

The McDonnell & Miller RBT-3000 low water cut off is used to protect boilers and steam systems from damage caused by low water conditions. It automatically shuts down the burner when water levels drop below a safe threshold, preventing overheating and potential equipment failure in commercial and industrial heating applications.

What are the specifications of the McDonnell & Miller RBT-3000?

The McDonnell & Miller RBT-3000 is a low water cut off designed for steam and hot water boilers. It operates on 24 VDC and features a probe-type sensing mechanism. The device is listed by the manufacturer as obsolete or discontinued, so exact specifications should be verified from original documentation before ordering.

Where to buy the McDonnell & Miller RBT-3000 in Singapore?

You can source the McDonnell & Miller RBT-3000 low water cut off through 3G Electric in Singapore. We provide industrial equipment sourcing, handle logistics and customs clearance, and arrange delivery to your facility. Contact us for current availability and lead time on this obsolete model.

How to install the McDonnell & Miller RBT-3000 low water cut off?

Install the McDonnell & Miller RBT-3000 according to the manufacturer's original instructions. Typically, mount the probe in the boiler's water column or steam chamber, connect 24 VDC power, and wire the output to the burner control circuit. Ensure proper grounding and test operation after installation. Consult a qualified technician for safety.

Used in

Common applications for Mcdonnell & Miller
Boiler systems — McDonnell & Miller FS4-3T3-1 flow switch for low-water cutoff and pump protection in 1-inch piping.
Pump control — McDonnell & Miller FS8-W flow switch for detecting flow in 1-inch lines to prevent dry running.
HVAC cooling water — McDonnell & Miller FS6-3/4 flow switch for monitoring flow in 3/4-inch chilled water circuits.
Process piping — McDonnell & Miller FS5-3/4 brass flow switch for hot water applications up to 250°F.
Industrial liquid monitoring — McDonnell & Miller FS6-W-1 flow switch for 1-inch lines with high locked-rotor rating.
Small pipe systems — McDonnell & Miller FS-1 flow switch for 1/2-inch lines in liquid circuits requiring flow detection.
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Mcdonnell & Miller Products

3G Electric supplies Mcdonnell & Miller low water cut offs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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