Honeywell ST7800A1047 Purge Timer, 40 Seconds, 7800 Series

Description

Honeywell ST7800A1047 Purge Timer Overview

The Honeywell ST7800A1047 is a 40-second purge timer designed for use with Honeywell’s 7800 Series Burner Control systems. This plug-in timing module establishes the pre-purge period required before burner ignition, helping to clear residual combustion gases from the combustion chamber and ensuring a safe, code-compliant startup sequence. It is an essential accessory for commercial and industrial burner management applications where reliable flame safeguard control is required.

Key Features

• 40-second pre-purge timing cycle for safe burner startup sequencing
• Designed specifically for use with Honeywell 7800 Series Burner Controls
• Plug-in module design for easy installation and field replacement
• Helps meet combustion safety and code requirements for pre-purge intervals
• Reliable solid-state timing for consistent, repeatable performance
• Compact form factor integrates directly into the 7800 Series relay module

Application

The ST7800A1047 purge timer is used in commercial and industrial burner management systems where the 7800 Series Burner Control is installed. Pre-purge timers are required by safety codes to ventilate the combustion chamber prior to ignition, reducing the risk of unburned fuel accumulation. This module plugs directly into compatible 7800 Series relay modules, making it straightforward to specify, install, or replace in the field.

Compatible With

• Honeywell 7800 Series Burner Control relay modules

Specifications

• SKU: ST7800A1047
• Brand: Honeywell
• Purge Time: 40 Seconds
• Series Compatibility: 7800 Series Burner Controls
• Module Type: Plug-in Purge Timer