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it is rated for evaporator temperatures down to -31°F
5 ton reciprocating compressor designed for 208/230V single-phase applications
High-Grade Construction: Manufactured with materials resistant to copper-to-brass brazing stress and internal mechanical wear
and rodents from entering 3-inch PVC vent pipes
Siemens Building Technology QFM81.21 Hygrostat 326058-756 it is rated for evaporatorThe Siemens Building Technology QFM81. 21 is a commercial grade duct hygrostat designed for precision relative humidity control in HVAC systems. Engineered for both monitoring and regulation, this device features a stabilized sensing strip that ensures superior linearity and long term stability, even in high humidity environments or air contaminated with dust. Unlike baseline models, the QFM81. 21 utilizes an internal setpoint adjuster to prevent
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