
Each vent connection includes ¼” NPT test port,
There are Four available Conection Plate Sizes:
- AGA40.4050U - 1” NPT vent connection plate for VGD40.xxxU
- AGA40.6580U - 1-1/4” NPT vent connection plate for VGD40.xxxU
- AGA40.0100U - 2” NPT vent connection plate for VGD40.xxxU
- AGA40.0150U - 2-1/2” NPT vent connection plate for VGD40.xxxU