Boiler Electronics
We offer a broad range of boiler electronics, in many cases applicable as a complete system in combination with Honeywell Gas Control. Our boiler electronics consist of ignition controls, logic controls and digital boiler controls. Boiler electronics can have standard housing, customer special housing or no housing (bare board). Contact us for more information.
Please select Ingition Control Logic Control Digital Boiler Control
S4560, S4561, S4563    
CVI - S4565/S4575/S4585    
CCI    
Logic Control    
CVBC    
MCBA    
Ignition Control
Automatic Ignition Control - S4560, S4561, S4563

The S4560 provides automatic ignition and control for use on gas fired appliances. The system provides safe start check, automatic spark ignition and flame supervision by ionisation.

The S4561C/D provides automatic ignition and control for fan assisted burners. The S4561A/B/P/Q provides automatic ignition and control for atmospheric burners. Some of the features are flame supervision, external reset, alarm and high limit connection, full operating sequence after flame loss and protective impedance on flame rod. Functional options include extended spark ignition and stabilisation time.

The S4563 ignition control provides automatic ignition and flame supervision either in direct gas burner or in intermittent pilot gas burner applications with safety timer. Some of the features are flame supervision, external reset and alarm, full operating sequence after flame loss and protective impedance on flame rod. Opions include extended spark ignition, Intermettent Pilot applications and combined ignition rod/flame sensing.

S4560, S4561 and S4563 are EN 298 approved.
List of approvals
S4560
S4561
S4563

Read more about the features and technical specifications in the instruction sheet of S4560, available in PDF, (466 kb)

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CVI - S4565/S4575/S4585
The Combined Valve and Ignition (CVI) system has been developed for application in gas fired domestic central heating boilers, combi boilers and warm air furnaces or water heater appliances with an automatic ignition system. The Combined Valve and Ignition (CVI) system controls and performs all the functions required for safe ignition, flame supervision and for safely regulating the gas flow to the pilot and/or main burner. The CVI consists of a specially designed gas valve family of the VK41.. series and a dedicated ignition controls family of the series S4565, S4575 and S4585 which is connected directly on to it. The S4565/S4575 ignition controls are not intended for direct exposure to flame envelope. S4565, S4575 and S4585 ignition controls give excellent performance and a high reliability standard. There are versions available for different ignition systems like Direct Burner Ignition (S4565), Hot Surface Ignition (S4575) and Intermittent Pilot ignition (S4565/S4585).

CVI is ANSI Z21.20 and EN 298 approved.
List of approvals

Read more about the features and technical specifications in the product handbook, available in PDF, (1.048 kb)

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CCI S4564 A-T, BF, DF, QF, TF, AT-TT
The Compact Combined Ignition (CCI) system has been developed for application in appliances with an automatic ignition system and has larger capacity that the CVI system. For these systems, the S4564 A..T, BF, DF, QF, TF, AT..TT ignition controls are used in conjunction with the Compact gas controls. The combined system of ignition control and gas valve thus provides programmed safe light up, flame supervision and control of gas flow to the main burner and/or pilot burner of the appliance. The CCI consists of a gas valve of the Compact series (V46../V86..) and a dedicated ignition control of the series S4564 which is connected directly to it.

CCI is EN 298 approved.
List of approvals

Read more about the features and technical specifications in the product handbook, available in PDF, (292 kb)

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Logic Control
Honeywell logic controls provide functionality to your boiler options: DHW temperature control, CH temperature control, pump control, water valve control, fan speed control, outside temprature sensor control, water temperature rise control.
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Digital Boiler Control
CVBC

The Combined Valve Boiler Control (CVBC) is the combination of a VK41.. gas control and a S4965 Electronic Boiler Control. The electronic control consists of safety and non-safety or logic control functions. The standard control function of a gas fired heating appliance can be performed within one single control box, which can easily be clicked on the gas control. The system provides optimized and programmed safe light up and flame supervision of the main burner as well as boiler control for temperature, pump, fan, 3-way valve and other control functions. Within the CVBC family several versions with specific control functions or sets are available:

  • CVBC-m: Integrated Gas Control Safety System with Gas Modulation
  • CVBC-sQuare: Integrated Electronic Gas/Air and Adaptive Control System
  • CVBC-vf: Integrated 1:1 Gas/Air Control safety System with venturi and fan
  • CVBC-LoCon: Integrated Boiler Load Control System
Within the CVBC-system, all boiler control functions are concentrated in one reliable and optimized system. The system is specially designed to provide the optimum solution in gas fired appliances with DSI or IP ignition system. Functions are on/off, high low or full gas modulation of the main burner.

CVBC is EN 298 approved.
List of approvals

Read more about the features and technical specifications in the product handbook, available in PDF, (291 kb)

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MCBA
The GasModul MCBA uses analogue sensors (NTC) to measure temperature. Protection of the gas boiler is achieved by use of two independent NTC - Sensors. This protection incorporates amongst other things the absolute value, the differential value and the temperature increase per second of the NTC 1 and NTC 2 sensors.

List of approvals

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