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Compatibility: Simplex 4100ES Fire Alarm Systems
Edwards G1RF-V1575 Wall Strobe
With its reliable features and versatile mounting options
to minimize nuisance alarms and simplify testing and maintenance
Honeywell TC500A-N Commercial Connected Touchscreen Wireless Thermostat
Resideo NK300S-100 Combination Boiler Feed Valve with Sweat and Threaded Connections ELSTR-N Compatibility: Simplex 4100ES Fire AlarmResideo NK300S 100 Combination Boiler Feed Valve with Sweat and Threaded Connections 1 2" NPT+SWEAT The NK300S Boiler Feed Combination Valve combines a testable back flow preventer with a pressure reducing boiler fill valve. This feature rich product contains a strainer, pressure gauge, two shutoff ball valves, and test ports to save you time and money. Its exactly what every residential, light commercial or multi family building with a boiler needs