Description
The Field Controls 46273100 Pressure Switch is a precision-engineered air proving switch built to regulate airflow in combustion systems. Specifically designed for compatibility with CAS‑3, CAS‑4, and CK control kits—including CK‑43, CK‑43F, CK‑61, CK‑62, and CK‑63 models—it ensures safe system operation by validating proper inducer performance before allowing the burner to operate. This high-quality switch replaces models such as 46083000, AP4210, and AP4556, offering reliable OEM performance.










