Control boxes

Control boxes

370 parts · 13 brands

A control box is the electronic sequencing unit that governs every stage of a burner's firing cycle — pre-purge, ignition, flame establishment and lockout. Mounted directly on the burner or on a panel inside the boiler cabinet, it reads the signal from the flame detector and decides whether to open the gas valve or shut the burner down safely. Without a correctly matched control box the appliance cannot start or remain in a safe operating state.

Selecting the right unit depends on burner make and series, supply voltage, the type of flame detector supported (ionisation probe or UV cell), and the timing parameters required by the application. Cross-reference numbers from Brahma, Honeywell, Kromschroder, Resideo, Riello, Siemens and other manufacturers present in this section can be used to locate a compatible replacement even when you have only the original maker's part number to hand.

in stock Control box Honeywell Gas boiler control unit S4570BS1002U SKU S4570BS1002U

198.00 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4570BS1036U SKU S4570BS1036U

554.10 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4960B1055U SKU S4960B1055U

~~182.02 EUR~~ 94.44 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4962CM1004V04U SKU S4962CM1004V04U

~~209.24 EUR~~ 197.88 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4962CM2020U SKU S4962CM2020U

~~153.00 EUR~~ 122.04 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4962DM3003B SKU S4962DM3003B

~~162.00 EUR~~ 137.64 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4964V2002U SKU S4964V2002U

~~161.66 EUR~~ 152.88 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4965CM1050B SKU S4965CM1050B

172.32 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4965CM3035V01U SKU S4965CM3035V01U

~~138.00 EUR~~ 112.62 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4965CM3076U S4965CM3076B SKU S4965CM3076B

~~159.07 EUR~~ 150.42 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Gas boiler control unit S4965R2000B SKU S4965R2000B

198.00 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Ionization control unit S4965R3068U SKU S4965R3068U

~~203.89 EUR~~ 192.78 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Burner control S4965V3075U SKU S4965V3075U

~~333.00 EUR~~ 141.66 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Burner control S4965V3208U SKU S4965V3208U

~~333.00 EUR~~ 123.18 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Burner manager S8610U3009/U SKU S8610U3009/U

~~239.40 EUR~~ 98.94 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Prepurge timer module ST7800A1013/U SKU ST7800A1013/U

252.00 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Control box ST7800A1039/U SKU ST7800A1039/U

252.00 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Honeywell Control box ST7800A1047/U SKU ST7800A1047/U

252.00 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Kromschroder USB IR-adapter PCO200 74960625 SKU 74960625

1287.60 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Kromschroder L-Module BCU570Y/WF1 74960657 SKU 74960657

707.40 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Kromschroder Bus module BCM500S0B2/3-3 74960663 SKU 74960663

619.80 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Kromschroder Communication module BCM 400S0B1/1-0 74960690 SKU 74960690

606.00 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Kromschroder Communication module BCM 400S0B2/3-0 74960691 SKU 74960691

606.00 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Kromschroder Operator-control unit OCU500-1 84327030 SKU 84327030

631.80 EUR excl. VAT · import VAT and duties on delivery

in stock Control box Kromschroder Operator-control unit OCU 500-4 84327033 SKU 84327033

631.80 EUR excl. VAT · import VAT and duties on delivery