Item Details Western Hydrogen Fuel Gas Alarm Kit includes of an explosion proof pressure switch, 24 VAC transformer assembly, audio visual alarm, rated NEMA 1 and all required fittings for installation. Cleaned and tested alarm meets all applicable National Fire Protection Association, Compressed Gas Association, Canadian Standards Association and OSHA guidelines. Alarm kit will signal to a remote location that the manifold primary supply bank has been depleted and the secondary supply is now in use. Includes Explosion proof pressure switch 24 VAC transformer assembly (WMS-9-25C) Audio visual alarm (BIA-3) This listing is for Each.
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