compatible with most industry-standard alarm and fire panels

For optimal performance and to maintain the NEMA 4 rating

This cast iron water regulating valve is specifically engineered to maintain head pressure by modulating water flow through water-cooled condensers

but it supports non-interacting zero and span adjustments for fine-tuning to meet specific project specifications or to match calibrated reference meters

This model is particularly robust for contractors managing multi-stage setups

Setra 231G-MS2-2F-D Pressure Transducer R-448A compatible with most industry-standard alarmThe Setra 231G MS2 2F D is a high performance wet to wet differential pressure transducer engineered for demanding HVAC and process control environments. This multi configurable unit features user selectable ranges, including 10, 20, 50, and 100 PSID in unidirectional mode, and 10, 20, 50, and 100 PSID for bidirectional applications. Designed with an all stainless steel wet to wet sensor and a 1 8 18 NPT female pressure connection, it ensures long