The Suburban ST42 On-Demand Tankless Water Heater (Model 5381A) delivers instant and endless hot water, making it an ideal upgrade for RVs, campers, or travel trailers. Powered by propane and boasting a robust 42,000 BTU output, this energy-efficient, tankless system ensures a continuous supply of hot water with no more waiting for recovery between uses. The advanced digital control center provides precise temperature management, while numerous built-in safety features—including flame out protection, scald protection, and active freeze safety—promote dependable and worry-free operation.
This space-saving unit is designed to fit standard 6-gallon water heater cutouts and its compact, lightweight construction makes installation flexible in a wide range of RVs. Please note, this surplus unit is sold as-is with no manufacturer warranty, and may display minor cosmetic wear typical of surplus inventory.
Key Features:
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Model: ST42 (Part #5381A)
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Propane-powered, on-demand tankless system
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42,000 BTU for reliable, fast water heating
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Instant, unlimited hot water supply—no recovery delay
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Precise electronic temperature control
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Multiple safety features: flame out, scald prevention, active freeze, child lock, and voltage protection
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Compact size for flexible RV installation
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Designed for standard 6-gallon cutouts
- Dimensions: 12-3/4" W x 12-1/2" H x 13" D