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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
When the pre-heater or combustion air reaches the 155°F threshold
it is the designated replacement for various Miller and Intertherm electric furnace models requiring sequenced heat control
ensuring compliance with strict building codes while providing a compact hub-mounted footprint that integrates easily into standard 1/2" NPT knockouts
For technicians performing diagnostics on furnace high limit trips
or the 3-amp control fuse repeatedly blowing due to a shorted internal coil
MAMAC Systems HU-921-MA-8 Humidity Sensor Els PW 17895 When the pre-heater or combustionThe MAMAC Systems HU 921 MA 8 is a high performance OEM humidity sensor engineered for demanding HVAC BAS applications, specifically in economizer control and packaged rooftop air handlers. This unit features a cross linked bulk polymer capacitive sensing element, providing an ultra fast response to changes in relative humidity. For precise monitoring, it delivers a 4 20mA 2 wire output for humidity and utilizes a 10,000 Ohm NTC thermistor (Carel) for
US$ 155.00
US$ 156.00
US$ 100.00