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Plastic Calibration (Cellulose Acetate) with UV inhibitor. The calibration consists of 3 components: an internal plastic piece, an external plastic piece, and the calibrated paper in between the two. Plastic calibration has a glass liner.
Red Plastic Lock Nut (HDPE Plastic)
Red Indicator Tube (HDPE Plastic)
Gasket (Duro Nitrile)
The Therma Gauge Type H Repair Kit is a quick and easy way to repair the most commonly replaced components of your gauge with one purchase. The repair kit will replace all of the non-metal components located on top of your gauge (the exposed pieces on the outside of the tank.)