Honeywell TMG 740-3 MOD 43-35 230v 08218U Burner Control Box

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HoneywellSKU: PHP1156

Sale price£319.99 Regular price£523.94


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Please Note:

If the item is not currently in stock, this shipping indicates the method of shipping used to dispatch once the item has been received into stock.

For accurate lead times, please call us on 0800 368 9771 before placing your order.


Nuway Part Number: C21358R

Honeywell Part Number: 08218U

Also known as a Satronic TMG 740-3 MOD 43-45 230V

Honeywell TMG 740-3 MOD 43-35 230V Control Box Specifications

Technical Specifications:

  • TMG 740-3 (230v Input) 08218U Controls high performance forced draught, dual fuel, gas and oil burners.
  • Supply Voltage: 220/ 240V
  • Pre-purge Time: 32s
  • Pre-Purge Time with air damper open: 40s
  • Pre-ignition time: 4s
  • Start Valve Safety Interval: 3s
  • Pilot Valve Safety Interval: 3s
  • Pilot Valve Switch On Time: 14s
  • Main Valve 1 Safety Interval: 5s
  • Valve 1 Delay: 10s
  • Valve 2 Delay: 10s
  • Post Purge Time: 10s


TMG Box Not Functioning Properly?

Before thinking the brand new box has failed, please check the switch on the underside of the box, this determines the flame detector operation mode which can be set to UV or ION, if this is not on the correct setting, the control box will not function.

Honeywell TMG 740-3 240v Flame Detector Switch

Honeywell TMG 740-3 230v Datasheet

Honeywell TMG 740-3 240v Datasheet / Manual

Honeywell TMG 740-3 230V Dimensions

Honeywell TMG 740-3 240v Dimensions

Are you looking for the 110V version of this product? If so please click the link below:

Honeywell TMG 740-3 MOD 43-35 110V

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