Raypak 183A/185A Pressure Switch Tube (003272F) lightingbulbs This type of part is

This type of part is especially useful in power or control wiring where a secure mechanical connection is preferred over a quick-connect terminal style

A dedicated tool is useful because it helps engage the nut correctly

and general system performance

or otherwise no longer providing reliable shutoff

lower-profile finished look

Raypak 183A/185A Pressure Switch Tube (003272F) lightingbulbs This type of part isThe Raypak pressure switch tube is designed for compatible 183A and 185A heater applications where the supported pressure sensing connection tube needs replacement. A tube like this is useful because it helps communicate system pressure conditions to the switch, supporting safer and more dependable heater behavior. This replacement is especially useful when the original tube is clogged, bent, cracked, or otherwise no longer dependable in service.