the P70 series controller ensures a reliable connection to the system's high and low-pressure ports without the need for constant adjustment

High Pressure Resilience: Rated for 300 psig

repeated tripping often indicates restricted airflow

Durable Construction: Manufactured from technical-grade brass to resist corrosion and deformation in high-heat environments

Common Questions Is this block compatible with non-York systems

Reznor 122858 Limit Switch L99H008 the P70 series controller ensuresThe Reznor 122858 Limit Switch is a critical safety component designed for precise thermal regulation in Reznor unit heaters and makeup air systems. This 135F M R Limit Switch serves as a primary high limit safeguard, engineered to interrupt the electrical circuit if the burner inlet or discharge air temperature exceeds the fixed 135F threshold. As a manual reset limit switch, it requires a physical inspection and manual intervention by a qualified