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Limit switches are safety-critical components with specific temperature ratings defined by the manufacturer’s heat exchanger design
Key Benefits High-Capacity Precision: Rated for 20-ton systems
You should set the valve as high as possible without exceeding that limit to maximize system capacity while still providing protection
though technicians should verify the specific control circuit logic of the Aaon unit during installation
potential signal attenuation must be monitored to maintain the minimum required flame signal volts
Lennox 25W90 Plate 30067439-890 Limit switches are safety-critical componentsThe Lennox 25W90 Collector Box Plate is a critical replacement component engineered for high efficiency Lennox G40, G41, G50, G51, and G61 series gas furnaces. This secondary heat exchanger plate acts as the primary interface for managing condensate drainage and flue gas transitions within the condensing furnace collector box assembly. Manufactured with corrosion resistant materials, the 25W90 provides a precise seal to maintain required static
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