Can I bypass this switch for testing

this 2-position electrical actuator provides the reliable mechanical force necessary to open or close valves in response to terminal unit controllers

meaning it does not require an external power source to generate the 0-10VDC signal

Can I use an auto-reset switch instead of this manual reset version

000 Amps at 250Vac to safely clear major ground faults and short circuits

Watts R119-04D Regulator 30067439-890 Can I bypass this switchThe Watts R119 04D is a high capacity pneumatic pressure regulator engineered for demanding industrial air preparation. Featuring a 1 2" NPT female inlet and outlet, this diaphragm operated regulator is built with a rugged zinc housing and a balanced poppet design to ensure rapid response and pinpoint accuracy across a broad flow spectrum. It handles a maximum inlet pressure of 300 PSIG and provides a precise secondary pressure range of 5 to 250 PSI.