Johnson Controls A11D-4 Temperature Control 30067439-890 This 20-pack gasket kit provides

This 20-pack gasket kit provides long-term service inventory for sealing the header assembly to the tube sheet

and G8 series units

What are the symptoms of a failing burner in an Amana or Goodman furnace

This 135F switch is identified by a silver button and a red dot on the surface

Johnson Controls A11D-4 Temperature Control 30067439-890 This 20-pack gasket kit providesThe Johnson Controls A11D 4 Temperature Control is a heavy duty low temperature cutout freezestat engineered specifically to protect hydronic coils, cooling coils, and liquid handling pipes from icing and over cooling. This mechanical temperature control utilizes a 20 foot sensing element to detect the coldest point along its entire length, ensuring that localized freezing triggers the safety response. With a SPDT switch and manual reset