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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Ammonia Compatibility: Specifically constructed with materials resistant to ammonia corrosion
25 to 150 Amps
making it a highly versatile commercial refrigerator thermostat for field replacements
Field-Proven Reliability: UL-recognized component built to withstand the rigors of heavy-duty HVACR duty cycles
this is a direct-acting design
System Sensor D4120 Detector 30067439-890 Ammonia Compatibility: Specifically constructed withThe System Sensor D4120 is an industrial grade 4 wire photoelectric duct smoke detector designed for high performance smoke detection in HVAC air handling systems. This InnovairFlex duct smoke detector operates across a wide air velocity range of 100 to 4,000 feet per minute, making it suitable for both low flow and high volume applications. It features a versatile pivoting housing that accommodates square or rectangular footprints and mounts easily
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