Thermostat housing - one last try:

[Billy Zoom <billyzoom@billyzoom.com>]

Assuming that both situations employ the same downflow radiator, and the
same thermostat...which of these statements is the most correct:

A.  the 1098 downflow housing is the same as 948 downflow housing, but
different from 1275 downflow housing.

B. The 1098 downflow housing  is different from 948 downflow housing, but
same as 1275 downflow housing .