if the housing is heavily corroded

You must always use the specific reset type designated by the manufacturer’s original specifications to maintain the safety listing of the furnace

maintaining exact electrical and pressure specifications

The HS3GF04A24 typically features lead wires for hardwired electrical connections within a conduit system to maintain its NEMA 4 integrity

An auto-reset switch like the 3L09-28 will automatically close the circuit once the temperature drops below the fixed 180°F reset point

Watts R35-02C Regulator if the housing is heavilyThe Watts R35 02C Regulator is a versatile 1 4" NPT miniature pressure regulator engineered for precise air preparation in demanding HVACR and pneumatic environments. This industrial grade Parker Watts R35 series unit manages a maximum inlet pressure of 300 PSI, providing a consistent 0 125 PSI output range for downstream equipment protection. For veteran technicians managing legacy systems, the R35 02C is identical to 21 482, ensuring seamless drop