Description

The 201159 is a replacement pressure switch. Its red label indicates the 1.4″w.c.

It is for use on the following units manufactured prior to July 23, 2009:

  • UDAP350 and UDAP400 
  • UDAS350 and UDAS400 
  • UDBP350 and UDBP400
  • UDBS350 and UDBS400