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A19ABC-24 Penn Thermostat
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Johnson Controls A19BAF-1C Penn Series A19 Coiled Bulb Space Thermostat, Ventilating, Heating, SPDT Switch Action, -1 to 43°C Range, 0.9°C Differential, 1-3/8" x 2-1/4" Coiled: Thermostat Controllers: Amazon.com: Industrial & Scientific
Johnson Controls A421ABC-02C A421 Series Electronic Temperature Control, -40 to 212 Degree F Temperature Range, Single-Pole, Double-Throw : Amazon.ca: Industrial & Scientific