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this 4-bolt ODS brass service valve provides superior corrosion resistance compared to legacy cast iron versions
the A25AN-1 is an Open High limit control
The 15-second burner off delay prevents "nuisance tripping" caused by temporary water surges or air bubbles passing the probe
the P323648 provides the exact porting and BTU output required to restore factory-spec heat exchange performance without the risks associated with aftermarket "universal" alternatives
the MA51-7203 is specifically a two-position (on/off) actuator
Tjernlund Products 950-0470 Adapter 321894-709 this 4-bolt ODS brass serviceThe Tjernlund Products 950 0470 is a specialized thermocouple junction adapter engineered for seamless integration within high demand combustion and ventilation systems. Designed as a critical interface component, this OEM replacement part facilitates a secure electrical connection between the thermocouple leads and the system control circuit, ensuring precise signal transmission for safety monitoring. It is primarily utilized in Tjernlund VP 2F power
