These gauges are for use on water, AFFF or loaded stream fire extinguishers only. Older gauges operate using a 'c-shaped' Bourdon tube which straightens under pressure and returns to its original form when the pressure drops. The end of the tube was geared to turn the dial.
Return & Warranty Policy
We accept returns within 30 days of your purchase. Items must be in their original condition with tags and packaging intact. To initiate a return, please contact our customer support. Refunds will be processed within 7 business days of receiving the returned item. Shipping costs are non-refundable.