Presto 85374 Steam Gauge with Adapter
Presto pressure canner gauge is sold with the Pressure Gauge Adapter.
You do not need to order the adapter if you are ordering the new Presto gauge.
Presto 33136 Pressure Gauge Adapter
Can I use any pressure gauge on a pressure canner? "NO"!
These are ”STEAM GAUGES”. They are specially designed to work WET and HOT.
Just any pressure gauge “dry gauge” will fail and may be UNSAFE.