technicians should check for 208V at the line-side and verify the thermostat is drawing the correct 0

Common Questions What is the difference between local and remote flame sensing on this module

The FS251 features a NEMA 1 enclosure

this is the modulating valve body only

OEM Precision: Guaranteed compatibility with Carrier-family equipment

Johnson Controls A19AAB-7 Temperature Control Freon technicians should check for 208VJohnson Controls A19AAB 7 Temperature, Mechanical, 24 to 277Vac, SPST, Open High, Automatic Reset, 100 to 300 degree F Setpoint Range, 7 degree F Fixed Differential, 6' Capillary Length with 3 16" x 9 1 2" Sensing Bulb, High Range Oven Temperature Control with Knob Range Adjuster and Visible Scale A19AAB 7 is identical to A19AAB 7C