Xylem-Hoffman Specialty DL1634 Make-Up Valve, Float Valve

Description

Xylem-Hoffman Specialty DL1634 Make-Up Valve Overview

The Xylem-Hoffman Specialty DL1634 is a float-operated make-up valve engineered to automatically maintain the correct water level in hydronic heating systems, boilers, and steam systems. By using a reliable float mechanism, this valve opens to admit make-up water whenever the system level drops below the set point, then shuts off precisely when the proper level is restored — protecting your system from low-water conditions and costly downtime.

Key Features

• Float-operated design for automatic, hands-free water level control
• Automatically replenishes system water to maintain optimal operating levels
• Helps prevent low-water conditions that can damage boilers and hydronic equipment
• Durable construction built to withstand the demands of commercial and residential hydronic systems
• Manufactured by Xylem-Hoffman Specialty, a trusted name in hydronic and steam system components
• Designed for straightforward installation and long-term, low-maintenance operation

Applications

• Hydronic heating systems
• Hot water boiler systems
• Steam boiler make-up water control
• Commercial and residential HVAC water systems

Why Choose Hoffman Specialty?

Hoffman Specialty, a brand under the Xylem family, has a long-standing reputation for producing high-quality hydronic and steam system accessories. The DL1634 make-up valve reflects that heritage — offering dependable float-valve performance that keeps your system running safely and efficiently.