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The image contains a detailed manufacturer's data plate for a Lochinvar water heater/boiler, specifically a Crest model with serial number 1904 113417485. The technical specification label provides comprehensive details including:

Key specifications include a natural gas input rating of 1,250,000 BTU/HR, maximum water heating temperature of 160.0 PSI, and minimum water heating surface capacity of 1,250,000 LBHR. The device is certified by ASME and AHO, with installation and technical support available via a 1-800 phone number. Safety warnings are prominently displayed, emphasizing proper installation, potential hazards, and the requirement for qualified installation by professional service technicians. The label also includes detailed gas pressure ratings for both natural gas and propane, clearance requirements, and service clearance information.