{"product_id":"bosch-8738709995-control-unit-for-bosch-t9800-se-199-ng-water-heater","title":"Bosch 8738709995 Control Unit for Bosch T9800 SE 199 (NG) Water Heater","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e• Model Compatibility: Bosch T9800 SE 199 Natural Gas Tankless Water Heater\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e• Input Capacity: Minimum 9,000 BTU, Maximum 199,000 BTU  • Fuel Type: Natural Gas (convertible to Liquid Propane with kit)  • Voltage: 120 Volts, single phase, 60 Hz  • Dimensions (HxWxD): Approximately 31.5\" x 18.6\" x 9.9\"  • Weight: Approximately 77.5 pounds  • Venting Requirement: 3-inch diameter primary vent pipe  • Gas Connection Size: 3\/4 inch  • Water Connections: 3\/4 inch cold water inlet and hot water outlet, top-mounted  • Features Supported by Control Unit:   - Bosch Optiflow system with self-calibrating sensors for flue length, gas type, and altitude   - Built-in digital control panel interface for temperature adjustment and diagnostics   - Automated, fully modulating bypass for temperature stability   - Supports Wi-Fi connectivity (with accessory) for enhanced functionality   - Integrated freeze protection and ultra-low NOx emissions certified  • Efficiency: Energy Star listed with UEF ratings up to 0.96  • Heat Exchanger: Multi-pass copper primary and stainless steel secondary  • Suitable for indoor installation with flexible venting options\u003c\/p\u003e\u003cp\u003eThis control unit ensures precise management of the water heating performance, safety functions, and energy efficiency of the Bosch T9800 SE 199 system.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":43747997450349,"sku":"16826","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_67e27330-d18f-4ee8-8395-7dfbd132ce7e.jpg?v=1764975798","url":"https:\/\/willardshvacsupply.com\/products\/bosch-8738709995-control-unit-for-bosch-t9800-se-199-ng-water-heater","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}