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This furnace high limit switch is UL and CSA listed
designed to handle the high operating pressures of R410A without the performance drift common in universal aftermarket components
This direct spark ignition module is commonly used as a service replacement when existing ignition controls fail or become unreliable
Ensures consistent fuel delivery for reliable combustion
Lennox 99M80 Flue Cover 320788-703 This furnace high limit switchThe Lennox 99M80 Flue Cover is a critical OEM furnace replacement part engineered specifically for Lennox gas furnace venting systems. As a veteran technician, you know that maintaining the integrity of the exhaust stack is non negotiable for safe combustion. This genuine Lennox 99M80 flue cap acts as a secondary barrier, protecting the internal venting components from corrosive environmental factors, moisture intrusion, and debris that can lead to
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