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What is the difference between K19AT-72 and K19AT-72H
Installing a switch with an incorrect temperature profile can lead to safety hazards or frequent equipment lockouts
It is commonly used in indirect-fired furnaces and make-up air units requiring space temperature control
this thermal expansion valve is rated for R-410A as well as R-22 and R-407C
Key Benefits Optimized Compatibility: Purpose-built for Power Flame burners and serves as the official 542-PF direct replacement
Johnson Controls A19ADC-11 Utility Thermostat R-410A What is the difference betweenUtility Thermostat, 120 208 240 Vac, 200 550 Degree Temperature Range, 10' Capillary Length, SPDT, Stainless Steel Remote Bulb, Manual Reset, Enclosed Setpoint Adjustment
