Mueller W04084 1-5/8" Tee A compromised ball joint leads

A compromised ball joint leads to restricted airflow modulation

this spring is specifically for the RPC (Relay Pressure Control) pilot-operated models

The primary difference is the high-voltage coil input: the RIBU1C accepts 120VAC

this component is the industry standard for stabilizing pilot flame sensor performance and preventing nuisance shutdowns in gas-fired equipment

Using a genuine Modine replacement part is recommended to ensure the temperature trip points and probe depth match the original factory specifications for your specific heater model

Mueller W04084 1-5/8" Tee A compromised ball joint leadsThe Mueller W04084 1 5 8" Tee is a professional grade wrot copper fitting engineered for high performance branch connections in HVACR systems and potable water lines. Designed with a 1 5 8" OD (1 1 2" ID) C x C x C sweat connection, this Streamline copper tee ensures a reliable, leak proof joint when properly brazed or soldered. Its precision manufactured solder joint design facilitates smooth fluid flow while minimizing pressure drops across the