Johnson Controls A19EDB-1 Temperature Control Els PW 17895 and 64-A low water cut-offs

and 64-A low water cut-offs (LWCO)

In high-traffic environments or homes with multiple pets

providing smooth modulation that prevents system pressure spikes

What is the purpose of the 1/4" NPT connection

Johnson Controls A19EDB-1 Temperature Control Els PW 17895 and 64-A low water cut-offsTemperature, Mechanical, 24 to 277Vac, SPST, Open High, Manual Reset, 100 to 350 degree F Setpoint Range, 240 to 350 degree F Adjustable Dial Stop, 6" Liquid Expansion Bulb, Warm Air Temperature Control with Knob Range Adjustment and Duct Mounting Flange A19EDB 1 is identical to A19EDB 1C This item does not qualify for free shipping.