Honeywell 150SMA21 1.5″ Motorized Standard Flow GP Automatic Vent Valve

Description

Honeywell 150SMA21 — 1.5″ Motorized Standard Flow GP Automatic Vent Valve

The Honeywell 150SMA21 is a 1.5-inch electric/motorized, standard-flow, general-purpose automatic vent valve (AVV) engineered for dependable performance in hydronic heating and cooling systems. Designed to provide precise zone control and automatic venting, this valve is an ideal solution for commercial and residential hydronic applications where reliable flow management is essential.

Product Overview

The 150SMA21 combines Honeywell’s proven valve engineering with motorized electric actuation, enabling automatic open/close control of fluid flow in piping systems. Its standard-flow design ensures compatibility with a broad range of hydronic system configurations, while the general-purpose rating makes it suitable for diverse installation environments.

Key Features

• 1.5-inch pipe connection for standard hydronic system integration
• Electric/motorized (E/M) actuation for automated zone control
• Standard flow (STD FLOW) design for broad system compatibility
• General purpose (GP) rating for versatile application use
• Automatic vent valve (AVV) function for reliable air and flow management
• Engineered by Honeywell for long-lasting, dependable operation
• Suitable for residential and commercial hydronic heating and cooling systems

Applications

• Hydronic zone control in residential and commercial buildings
• Automatic venting in hot water heating systems
• Flow regulation in multi-zone hydronic piping systems
• General-purpose motorized valve replacement and new installations

Why Choose the Honeywell 150SMA21?

Honeywell’s legacy of HVAC innovation means the 150SMA21 delivers the precision and reliability that contractors and building engineers demand. The motorized electric actuator provides smooth, repeatable operation, reducing manual intervention and improving system efficiency. Whether you’re upgrading an existing hydronic zone system or specifying components for a new installation, the 150SMA21 offers the performance and compatibility you need.