System Protection: Precisely manages the sequence of operation to prevent rapid cycling and premature component failure

Designed specifically for the 200RB4

heavy oxidation on the electrode surface

making it compatible with most high-rise and large-scale hydronic infrastructures

It is designed to replace the entire pilot head assembly to ensure the flame sensor and ignition source are correctly positioned

Carrier 308574-201 Coupling 320788-703 System Protection: Precisely manages theThe Carrier 308574 201 Vent Coupling is a critical OEM replacement part designed to maintain the integrity of the exhaust and intake systems in high efficiency condensing furnaces. As a Factory Authorized Part, this condensing furnace vent connector ensures a gastight seal, preventing combustion byproduct leakage and maintaining proper static pressure within the venting assembly. Constructed from high grade, heat resistant polymers, it is engineered