Series CSM-91-INS Insulation Systems are available in sizes 2 1/2 to 4 in. to suite Series CSM-91 flow measurement valves and Series TDV triple duty valves. The outside shell is a preformed, removable PVC jacket and the inside consists of mineral fiberglass insulation to meet ASHRAE standards.
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Select options below to identify the UPC, Order Code, and Repair Kit for a specific CSM-91-INS