Therm 830 ES LG 175 MBH

The Therm 830 ES LG 175 MBH is a Bosch Therm 830 ES non-condensing tankless water heater with a 175,000 BTU/hr maximum input. It is positioned for residential hot water applications needing a smaller non-condensing Bosch Therm model than the 940 ES.

Bosch 830 ES engineering data lists a minimum input of 19,900 BTU/hr, maximum output of 147,000 BTU/hr, 82% thermal efficiency, and 67 lb operating weight. Flow performance is specified at 8.3 GPM for a 35°F rise and 6.4 GPM for a 45°F rise.

Product Features:

• 175,000 BTU/hr Maximum Input: Listed Bosch 830 ES input rating for residential tankless applications.
• 19,900 BTU/hr Minimum Input: Low-fire capability helps reduce short cycling during smaller draws.
• 147,000 BTU/hr Maximum Output: Bosch engineering sheet lists maximum output capacity for performance sizing.
• 8.3 GPM at 35°F Rise: Specified flow capacity for mild temperature-rise conditions.
• 6.4 GPM at 45°F Rise: Useful performance point for moderate incoming-water temperature differences.
• Propane Version: Product title identifies this unit for propane operation.
• 67 lb Unit Weight: Submittal data lists 67 lb operational weight for installation planning.

Warranty

This product includes a manufacturer’s limited warranty. Verify model number, fuel type, electrical requirements, venting, water quality, and local code requirements before installation.