{"product_id":"tjernlund-products-950-9131","title":"Tjernlund Products 950-9131 Panel Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eTjernlund 950-9131 Panel Assembly\u003c\/strong\u003e is a critical replacement component designed specifically for the \u003cstrong\u003eLB2 series Liter-Balance systems\u003c\/strong\u003e. This \u003cstrong\u003enotification panel assembly\u003c\/strong\u003e provides essential system status communication, monitoring pressure differentials to ensure proper combustion air delivery and venting safety. For technicians servicing \u003cstrong\u003ecommercial HVAC ventilation\u003c\/strong\u003e systems, this OEM assembly simplifies the restoration of the \u003cstrong\u003eLB2 sequence of operation\u003c\/strong\u003e, ensuring the mechanical interlock between the power venter and the heating appliance remains intact. Built to withstand the rigors of mechanical room environments, the \u003cstrong\u003eTjernlund LB2 control panel\u003c\/strong\u003e translates sensor input into actionable diagnostic signals, preventing nuisance shutdowns caused by erratic airflow readings. Integrating this factory-spec \u003cstrong\u003eTjernlund replacement part\u003c\/strong\u003e maintains the UL listing integrity of the original installation while ensuring precision timing and relay logic performance necessary for high-efficiency boiler and furnace applications.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Technical Benefits\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect OEM Compatibility:\u003c\/strong\u003e Specifically engineered for the \u003cstrong\u003eTjernlund LB2\u003c\/strong\u003e monitoring suite, ensuring exact electrical footprints and harness alignment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced System Reliability:\u003c\/strong\u003e Restores factory-calibrated monitoring of air pressure and system status for consistent safety interlocking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged Construction:\u003c\/strong\u003e Designed for long-term durability in high-demand mechanical environments, resisting heat and vibration fatigue.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStreamlined Installation:\u003c\/strong\u003e Simplifies field repairs for contractors by providing a drop-in \u003cstrong\u003eLB2 notification panel\u003c\/strong\u003e solution without requiring field modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Technical Questions\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 950-9131 compatible with other Tjernlund series?\u003c\/strong\u003e\u003cbr\u003e\nThis assembly is purpose-built for the \u003cstrong\u003eLB2 series\u003c\/strong\u003e. For other models like the LB1 or CPC-3, verify specific part numbers to ensure correct relay logic and terminal configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the symptoms of a failing LB2 notification panel?\u003c\/strong\u003e\u003cbr\u003e\nCommon indicators include intermittent loss of the \"System Ready\" signal, failure to trigger the interlock relay during the pre-purge cycle, or flickering status indicators resulting from board-level component wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this assembly include the external pressure switches?\u003c\/strong\u003e\u003cbr\u003e\nThe 950-9131 is the \u003cstrong\u003einternal panel assembly\u003c\/strong\u003e. While it processes the signals, external sensing components such as pressure switches or transducers are typically purchased separately if they require replacement.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Tjernlund Products","offers":[{"title":"Default Title","offer_id":43465311322290,"sku":"950-9131","price":98.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_ebcb869a-8e7f-4ffc-b9a8-e85268f38c7d.png?v=1701803776","url":"https:\/\/www.gsistore.com\/products\/tjernlund-products-950-9131","provider":"GSIstore","version":"1.0","type":"link"}