{"product_id":"zehnder-sit-group-pcb-min-caq-0550294-control-pcb-021-018-134","title":"ZEHNDER PCB-MIN-CAQ 0550294 CONTROL SIT GROUP PCB 021.018.134","description":"\u003ch3 data-end=\"16\" data-start=\"0\" data-section-id=\"17lc1ru\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-end=\"564\" data-start=\"18\"\u003eThe Zehnder PCB-MIN-CAQ 0550294 control board (also referenced as SIT Group PCB 021.018.134) is used in HVAC and air handling systems as a control circuit board responsible for system operation and regulation. Commonly installed in Zehnder ventilation and air management units, this PCB manages\u003ca href=\"https:\/\/plgautomation.com\/collections\/plcs-more\"\u003e control logic\u003c\/a\u003e, sensor inputs, and communication between system components. Maintenance teams and HVAC technicians use this board for system repair, troubleshooting, and replacement of failed control electronics.\u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"588\" data-start=\"571\" data-section-id=\"5ms9th\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-end=\"912\" data-start=\"590\"\u003eThe Zehnder PCB-MIN-CAQ 0550294 control PCB is typically used in ventilation systems, air handling units, and HVAC equipment where automated control of airflow, temperature, and system performance is required. It is commonly found in residential and commercial ventilation systems, including heat recovery units and air quality management systems.\u003c\/p\u003e\n\u003ch3 data-end=\"948\" data-start=\"919\" data-section-id=\"5hg6bl\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-end=\"1564\" data-start=\"950\"\u003e• Manufacturer Part Number (MPN): PCB-MIN-CAQ \/ 0550294\u003cbr data-end=\"1008\" data-start=\"1005\"\u003e• Alternate Number: 021.018.134\u003cbr data-end=\"1042\" data-start=\"1039\"\u003e• Product Type: Control Circuit Board (PCB)\u003cbr data-end=\"1088\" data-start=\"1085\"\u003e• Brand: Zehnder (SIT Group manufactured)\u003cbr data-end=\"1132\" data-start=\"1129\"\u003e• Function: System control, signal processing, and component communication\u003cbr data-end=\"1209\" data-start=\"1206\"\u003e• Application: HVAC \/ ventilation control systems\u003cbr data-end=\"1261\" data-start=\"1258\"\u003e• Installation: Internal PCB module within unit\u003cbr data-end=\"1311\" data-start=\"1308\"\u003e• Operation: Controls sensors, fans, and system logic\u003cbr data-end=\"1367\" data-start=\"1364\"\u003e• Condition Availability: Typically new surplus or used market \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003cbr data-end=\"1470\" data-start=\"1467\"\u003e• Packaging: Often distributed in bulk packaging units \u003c\/p\u003e\n\u003ch3 data-end=\"1595\" data-start=\"1571\" data-section-id=\"1cz0398\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-end=\"1784\" data-start=\"1597\"\u003e• Zehnder 400502001 PCB (ComfoAir Q series control board)\u003cbr data-end=\"1657\" data-start=\"1654\"\u003e• SIT Group control PCBs (model-specific equivalents)\u003cbr data-end=\"1713\" data-start=\"1710\"\u003e• OEM Zehnder ventilation control boards (unit-specific replacements)\u003c\/p\u003e","brand":"Zehnder","offers":[{"title":"New","offer_id":51734914367790,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_7554934f-8c0c-4bc7-b3d1-40c47a06ee2f.jpg?v=1770607742","url":"https:\/\/plgautomation.com\/products\/zehnder-sit-group-pcb-min-caq-0550294-control-pcb-021-018-134","provider":"PLG Automation ","version":"1.0","type":"link"}