{"product_id":"nibe-718273-main-processor-pcb-with-immersion-heater-connection-reconditioned","title":"NIBE 718273 Main Processor PCB with Immersion Heater Connection, Reconditioned","description":"\u003cp\u003eThe \u003cstrong\u003eReconditioned\u003c\/strong\u003e \u003cstrong\u003eNIBE 718273 main processor PCB with immersion heater connection\u003c\/strong\u003e manages heating operations, control signals and communication within compatible NIBE heat pump systems. Its dedicated immersion heater connection supports integrated backup or supplementary heating.\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 718273\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Main processor printed circuit board (PCB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Reconditioned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Heating system control, communication and immersion heater integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem compatibility\u003c\/h3\u003e\n\u003cp\u003eThe existing product information lists the following NIBE models. Confirm the part number, system version and firmware requirements against your unit before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eF1145:\u003c\/strong\u003e Fixed-speed ground source heat pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eF1155:\u003c\/strong\u003e Inverter ground source heat pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eF1245:\u003c\/strong\u003e Ground source heat pump with integrated tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eF1255:\u003c\/strong\u003e Inverter ground source heat pump with integrated tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eF370:\u003c\/strong\u003e Exhaust air heat pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eF470:\u003c\/strong\u003e Exhaust air heat pump with recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eF730:\u003c\/strong\u003e Inverter exhaust air heat pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVVM 320:\u003c\/strong\u003e Indoor control and water tank module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVVM 225:\u003c\/strong\u003e Compact indoor module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImmersion heater control\u003c\/h3\u003e\n\u003cp\u003eA dedicated output controls the immersion heater, enabling automatic or manual backup heating when compressor capacity is insufficient. Sensor-driven switching supports energy-optimised operation.\u003c\/p\u003e\n\u003ch3\u003eSystem control and communication\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManages communication with temperature sensors, pressure switches, fan and inverter control boards, and SMO\/VVM modules where applicable.\u003c\/li\u003e\n\u003cli\u003eCoordinates compressor operation and pump control.\u003c\/li\u003e\n\u003cli\u003eStores fault codes and logs for service diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and replacement\u003c\/h3\u003e\n\u003cp\u003eModular, plug-and-play connectors are designed for straightforward replacement. A firmware version check may be required to match the system setup. Confirm compatibility before installation.\u003c\/p\u003e\n\u003ch3\u003eFault symptoms to investigate\u003c\/h3\u003e\n\u003cp\u003eSymptoms associated with a possible control board fault include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe immersion heater failing to activate.\u003c\/li\u003e\n\u003cli\u003eThe control panel freezing or crashing.\u003c\/li\u003e\n\u003cli\u003eIncorrect temperature readings from all sensors.\u003c\/li\u003e\n\u003cli\u003eCommunication loss with SMO\/VVM modules or outdoor units.\u003c\/li\u003e\n\u003cli\u003eHeating stopping without compressor errors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese symptoms alone do not confirm PCB failure. Have the fault diagnosed before replacing the board.\u003c\/p\u003e","brand":"Nibe","offers":[{"title":"Default Title","offer_id":55718147916152,"sku":"vrc62","price":86.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0496\/7984\/files\/image_7d95f70f-c09d-48f7-a5e2-e35e59b17cb8.png?v=1789373348","url":"https:\/\/varme-tec.com\/products\/nibe-718273-main-processor-pcb-with-immersion-heater-connection-reconditioned","provider":"Varmetec Limited","version":"1.0","type":"link"}