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Rico_Soma, Customer Service
Category: Appliance
Satisfied Customers: 21552
Experience:  Gas service manager
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Currently have bosch aquastar model#125b lp installed

Customer Question

currently have bosch aquastar model#125b lp installed 1999,what is a comparable bosch tankless hot water heater ,utilizing existing fittings and connections.ball park labor time
JA: Can you guesstimate how old your Bosch is? And just to clarify, what's the exact model?
Customer: 20 yrs
JA: Do you plan on doing the work yourself?
Customer: no
JA: Anything else we should know to help you best?
Customer: gas connection is 1/2 inch
Submitted: 7 months ago.
Category: Appliance
Expert:  Rico_Soma replied 7 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

A Bosch 830ES is the closest to what you have now. It has a higher recovery rate so you may need a larger gas supply line. There are no lower output units. Average professional install time (not counting gas supply line modifications) is about 6 hours.