{"product_id":"tjernlund-products-950-8470","title":"Tjernlund Products 950-8470 Fan Prover Kit","description":"\u003cp\u003eEnsure reliable combustion safety and draft performance with the \u003cstrong\u003eTjernlund Products 950-8470 Fan Prover Kit\u003c\/strong\u003e. Specifically engineered for \u003cstrong\u003eRT750 and RT1500 Rooftop Draft Inducers\u003c\/strong\u003e, this kit is the industry standard for verifying adequate airflow before allowing the burner to fire. As a veteran-grade \u003cstrong\u003eHVAC pressure switch replacement\u003c\/strong\u003e, it monitors the static pressure within the venting system to prevent hazardous conditions such as carbon monoxide spillage or flue gas backup. The kit includes a high-precision \u003cstrong\u003ePSA-1 air pressure sensing switch\u003c\/strong\u003e, compatible with \u003cstrong\u003eTjernlund UC1 Universal Controls\u003c\/strong\u003e and UCRT interlock systems. Designed for both residential and commercial ventilation, this \u003cstrong\u003erooftop inducer safety switch\u003c\/strong\u003e features a durable diaphragm and adjustable trip points to handle gas, oil, or solid fuel applications. For contractors performing maintenance or a full \u003cstrong\u003edraft inducer repair\u003c\/strong\u003e, the 950-8470 provides the critical \u003cstrong\u003einterlock safety kit\u003c\/strong\u003e components necessary to meet mechanical codes and ensure the long-term operational integrity of \u003cstrong\u003evertical venting systems\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExact OEM Compatibility:\u003c\/strong\u003e Direct replacement for \u003cstrong\u003eRT750\/RT1500\u003c\/strong\u003e series draft inducers, ensuring seamless \u003cstrong\u003einterlock wiring\u003c\/strong\u003e and mounting alignment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Safety Logic:\u003c\/strong\u003e High-sensitivity \u003cstrong\u003efan proving switch\u003c\/strong\u003e disables the heating appliance immediately if airflow drops below safe operating thresholds.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Validated for use with natural gas, LP, oil-fired, and even high-temperature solid fuel heating systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTechnical Precision:\u003c\/strong\u003e Includes essential calibrated components such as the \u003cstrong\u003epressure sensing tube\u003c\/strong\u003e and \u003cstrong\u003estatic pressure tip\u003c\/strong\u003e for accurate manometer readings during commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich models is the 950-8470 kit compatible with?\u003c\/strong\u003e\u003cbr\u003e\nThis kit is purpose-built for Tjernlund RT750, RT750H, RT1500, and RT1500H rooftop draft inducer models and is not recommended for sidewall terminations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this kit work with modern interlock controls?\u003c\/strong\u003e\u003cbr\u003e\nYes, it is fully compatible with the \u003cstrong\u003eTjernlund UC1 Universal Control\u003c\/strong\u003e and UCRT rooftop control boards, facilitating standard 24V or 120V interlock signaling.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the fan prover in a draft system?\u003c\/strong\u003e\u003cbr\u003e\nThe prover acts as a safety gate; it confirms the inducer motor is moving sufficient air to vent combustion gases before the burner is permitted to cycle, protecting the structure from back-drafting.\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":43465313058994,"sku":"950-8470","price":203.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Screenshot_2023-11-30_134930-removebg-preview.png?v=1701381002","url":"https:\/\/www.gsistore.com\/en-ca\/products\/tjernlund-products-950-8470","provider":"GSIstore","version":"1.0","type":"link"}