Honeywell Resideo DKG972-N Boiler Controller

Honeywell

Description

The Honeywell/Resideo DKG972-N is a high-performance boiler controller designed for reliable temperature regulation and safety monitoring. Compatible with multiple models including MOD.03, MOD.05, MOD.10, and MOD.21, it ensures efficient operation and seamless integration into residential and commercial heating systems. Built for durability, this genuine controller offers precise control and long-lasting performance.

Product Details

The Resideo DKG972-N (Mod.21) is a high-performance, microprocessor-based combustion controller manufactured by Resideo (formerly Honeywell Home). It is designed for the safe and reliable operation of gas and oil-fired burners, boilers, and forced air heating systems. As the central control unit, it manages the entire combustion cycle from startup to shutdown, implementing critical safety logic to prevent gas leaks, incomplete combustion, and overheating.

Key Features & Advantages

Comprehensive Combustion Control: Automates the burner sequence including pre-purge, ignition trial, flame acquisition, steady operation, and post-purge.
10 Sec Post-Purge: Integrates a 10-second post-purge function to clear residual flammable gases from the combustion chamber, enhancing safety after burner shutdown.
Flame Supervision: Equipped with a dedicated flame detection circuit to monitor the burner flame status, cutting power in the event of flame loss or failure.
Safety Interlocks: Implements strict safety logic including door interlocks, overheat protection, and fan failure detection to prevent hazardous operating conditions.
Reliable Power & Design: 220/240V AC power supply, IP40 protection rating, and a durable, compact enclosure making it suitable for installation in boiler rooms and mechanical spaces.
Global Standards: Compliant with CE, EAC, and other international safety standards, ensuring compatibility and safe operation worldwide.

This controller is an essential OEM replacement part for maintaining the safety and efficiency of heating and combustion systems.

Parameter	Specification
Brand	Resideo (Honeywell Home)
Part Number	DKG972-N (Mod.21)
Product Type	Gas Burner Control Module / Combustion Controller
Supply Voltage	220 / 240V AC, 50/60Hz
Power Consumption	12VA
Post-Purge Time	10 seconds
Protection Class	IP40
Manufacture Location	Hungary
Key Function	Ignition Control, Flame Supervision, Safety Interlocks, Post-Purge
Application	Boilers, Heating Units, Oil/Gas Burners, HVAC Combustion Systems
Condition	New Genuine OEM Part