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an internal thermostat will turn on the exhaust fan at a preset temperature to reduce heat build-up in the room
Visual Monitoring System„¢ - #VMS1000
# of Batteries: 7
Model: Commander
The vent is equipped with a “Positive Airflow Shut Off” feature
HYDROMETER Male an internal thermostat will turnThe hydrometer is used to check specific gravity. Our valves are designed with a hydrometer port to make it easy to check the specific gravity of your battery. You can also use this without having a single point watering system by removing your vent caps. 1. 10 1. 30 Range 09HYDE Hydrometer Replacement Tube