The Professional X94 High-Efficiency Gas Heater from Raypak Inc. has an input rate of 399kBTU, a stainless steel ASME heat exchanger, sealed combustion, direct vent and digital controls. It’s designed and built for commercial use to allow close nesting for multiunit installations. It can be vented with 4-inch PVC, CPVC, polypropylene pipe or stainless steel vent material. Contact: 805.278.5300;

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