Johnson Controls A19AAB 40 Utility Thermostat 30067439 890 As the direct updated replacement As the direct updated replacement for the legacy KS211AF02K4CG1AA ensuring proper natural gas pilot burner positioning relative to the main burner the A19AAB 40 does not require external power to sense temperature and commercial space heating
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Johnson Controls A19AAB-40 Utility Thermostat 30067439-890 As the direct updated replacement