Honeywell TR21 Remote Temp Sensor

Remote sensor, wall module, for use with tb8220 thermostats, replaces model t7770a1006, 20 k ohm ntc non-linear temp, color white, height 4 9/16 in, width 3 in, depth 7/8 in, operating temp range 45 to 99 f, sensor type non-linear, temperature sensing only thermostat sensors and accessoriesremote temperature sensorselectronic 2-wire sensors use thermistor sensor elements. Mount on wall or 2in x 4in vertical box.

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.