McDonnell & Miller RB-24SE-A LWCO Wiring Kit for 4-Vent Damper Applications

The McDonnell & Miller RB-24SE-A is a Low Water Cut-Off (LWCO) wiring accessory engineered to integrate low water cut-off protection with 4-vent damper systems on hydronic and steam boiler installations. Designed for use with compatible McDonnell & Miller LWCO controls, this wiring kit ensures proper sequencing and safe operation between the boiler’s low water safeguard and the vent damper assembly.

Product Overview

The RB-24SE-A provides a reliable wiring solution that connects your LWCO control to a 4-vent damper configuration, helping maintain safe boiler operation by ensuring the vent damper responds correctly to low water conditions. This accessory simplifies installation and helps technicians achieve code-compliant wiring in residential and light commercial boiler systems.

Key Features

• Designed for use with McDonnell & Miller LWCO controls
• Compatible with 4-vent damper system configurations
• Facilitates proper sequencing between LWCO and vent damper
• Simplifies field wiring for boiler safety system integration
• Suitable for residential and light commercial hydronic/steam boiler applications
• Manufactured by McDonnell & Miller, a trusted Xylem brand

Applications

• Hydronic heating boiler systems
• Steam boiler installations requiring LWCO and vent damper coordination
• Replacement or upgrade wiring for existing 4-vent damper setups

Why Choose McDonnell & Miller?

McDonnell & Miller, a brand of Xylem, has been a leading manufacturer of boiler controls and hydronic heating accessories for over a century. Their products are trusted by HVAC professionals for dependable performance, safety compliance, and ease of installation in demanding heating system environments.