12 Volt Power Vent For 2" PVC Pipe

12 Volt Power Vent For 2" PVC Pipe
Price: $75.97
Item Number:ZEP-20000
Weight:1.65 lbs
Manufacturer:Zephyr Industries
Model Number:12v Power Vent
Manufacturer Country:United States
Last Price Update:02/13/2018

Description

12 Volt Power Vent For 2" PVC

Battery venting is not just a good idea, but also required in order to follow the guidelines set by the National Electric Code (NEC) in North America. Hydrogen gas, which is what most batteries expel, is nasty business and highly toxic. Most installations will require either a passive form of venting, or will require a small inline vent fan such as this one. We here at Solar Biz have been using the Zephyr Battery Box vent fans for years and so have our customers! These are required for use with almost all battery technologies including wet celled, absorbed glass mat (AGM), and GEL.

  • Positive venting of hydrogen gas.
  • Stops back drafting.
  • Puts the smell outside.
  • Keeps batteries warmer in cold climates.
  • Keeps the battery tops and terminals cleaner.
  • Uses very little power.
  • Excellent reliability.

The POWER VENT was designed for use in remote home power systems. The concept arose from field experience of systems with enclosed battery boxes. Quite often the NEC required venting was found back drafting, thus cooling the battery bank and lowering its capacity as well as venting hydrogen gas into the structure.

The POWER VENT alleviates this condition by keeping a gravity operated damper closed within the vent pipe except at times when the batteries are being charged and producing hydrogen gas. During these times the battery box is force vented with a low power, spark-less fan which overcomes the damper sending the gas outdoors. The “fan on” mode is determined by the battery voltage. When the batteries are “gassing” during charge periods the battery voltage will read above normal. A voltage sensitive switch is required in the system to make the on/off determination. Some inverters and charge controllers have a programmable auxiliary relay which can control the POWER VENT. Other systems may require the addition of a voltage controlled switch or relay.

The POWER VENT is designed around typical home power systems with battery banks under 2,200 Amp/Hours and charge rates under 150 DC amperes. Systems larger than this can produce more hydrogen gas than the expel rate of the POWER VENT which operates in the 5 to 8 cubic foot per minute range. Two vents may be used for higher volume.

Hydrogen will set off a carbon monoxide detector. The Power Vent has been successfully used to prevent nuisance tripping of this sort when there is a carbon monoxide detector near the battery box.

Power Vents have also been used for other applications where low power ventilation is required. These include methane gas extraction from landfills, sewage sump tanks, outhouses, modest crawl space ventilation, beer tap line cooling and more.

Got questions about Battery Venting? Call us Toll Free 888-826-0939.

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