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If your diagnostic shows a cracked ceramic insulator on the probe
Measure µA (microamps) at the control board to ensure the flame signal meets the minimum threshold for your specific heater
the W+200M1CFC utilizes an electronic solid-state overload relay
Leak Prevention: Eliminates bypass and external leaks to maintain system pressure and protect peripheral HVACR components
Optimized for building fluid management
Resideo TX-12 Expansion Tank 318172-701 If your diagnostic shows aThe Resideo TX 12 Expansion Tank is a professional grade 4. 4 gallon thermal expansion absorber designed specifically for potable hot water systems. Engineered to handle internal pressure spikes, this residential expansion tank mitigates the thermal expansion generated during the water heating cycle. By absorbing this excess volume, the TX 12 effectively prevents water heater relief valve weeping and protects critical system components from