For simplified fire alarm system installation

and gas valve

Its 100% solid-state design ensures long-term operational stability without the mechanical failures typical of traditional relays

How do I verify if this switch is compatible with my unit

Sporlan 700052 SA-12S Indicator For simplified fire alarm systemThe Sporlan 700052, also identified as the SA 12S Indicator, is a high performance 1 4" ODF moisture and liquid indicator engineered for the rigorous demands of modern HVACR systems. Featuring a See All design, this sight glass provides a single, accurately calibrated element that monitors refrigerant moisture levels and liquid line subcooling across a wide range of gases, including R 410A, R 134a, R 404A, and R 407C. The ODF solder connections