Comparison : |
Item # UDH-50T-45FR-3N, Light Duty Commercial Ultra-Low NOx High Input Direct Vent Energy Saver Gas Water Heaters Item # UDH-50T-45FR-5N, Light Duty Commercial Ultra-Low NOx High Input Direct Vent Energy Saver Gas Water Heaters Item # UDH-65T-45FR-3N, Light Duty Commercial Ultra-Low NOx High Input Direct Vent Energy Saver Gas Water Heaters Item # UDH-65T-45FR-5N, Light Duty Commercial Ultra-Low NOx High Input Direct Vent Energy Saver Gas Water Heaters Item # UDH-75T-50FR-3N, Light Duty Commercial Ultra-Low NOx High Input Direct Vent Energy Saver Gas Water Heaters
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