Re: Hot Water on Demand Systems

Posted by Keith Thompson on October 24, 2002 at 18:33:27:
In response to Re: Hot Water on Demand Systems
I installed an Aquastar 125 B April 2002. It's a whole house unit with a gas pilot. Works very well but I was suprised (shouldn't have been, I guess) when I read in the manual that the heat exchanger would probably have to be de-scaled in about five years (based on water quality). That will probably cost more than a new tank based unit! The promotional literature never mentioned this. : : Anyone have information on the systems that provide hot water on demand instead of a hot water tank? Is there significant differences between those that use electricity vs propane? : Tankless Gas Water Heaters : : AquaStar tankless gas water heaters provide : instant, on-demand hot water virtually : eliminating the stand-by heat loss of a : conventional tank type heater. : : Read about a recent : customer's installation : experience : Aquastar 125X $599.- is the : only pilot-less gas Tankless : Water Heater - NEW!! : Aquastar 125 B $519. is the : perfect residential "Whole : House" Water Heater : Aquastar 125BS $599. is the : perfect back-up for your Solar : Hot Water Heater. : Aquastar 125 BL $569. is : exceptional for recirculating and : Hydronic Heating : : Buy It Online! : Hot Water Showers : Sizing and Models.. : Built to Last Generations. : Endless Hot Water... : Energy Savings... : A Ten Year Limited Warranty : For higher flow rate : (two showers at once ) : see the T-K1 : Other : Applications: : Radiant slab, : Hydronic, floor and : space heating : Open loop : combination heat and : hot water system : with storage : : Typical Installation : Read the US Dept. of Energy's : Report on Tankless Water Heaters : How AquaStar Tankless Gas : Water Heaters Work: : 1. When a hot water tap is : opened at the low flow of 1/2 : gallon per minute, the cold : water entering the heater passes : through a brass water valve : assembly which is designed to : allow gas to enter the burners : only when hot water is running. : 2. The gas is ignited by the pilot : or spark ignition and the water : is heated as it flows through the : finned tube copper coils which : are located directly over the : burners. : 3. As you change the water : flow, a governor modulates the : flow of gas to the burners to : maintain a constant : temperature. The size of the : flames and the energy used is : always proportional to the : volume of hot water being used. : 4. The water temperature can be : adjusted to produce outlet : temperatures ranging from 100� : to 140�F. : 5. When the hot water faucet is : turned off, the flow of gas to the : burners is shut off. Your hot : water tap is an ignition key for : the energy used to heat the hot : water you need. : : : Aquastar's Models Index : With an AquaStar tankless hot water heater by Bosch,- you'll : never run out of hot water again. And you'll enjoy instant : savings of up to 50% on your heating bill. Once your AquaStar : is installed, you will never have to buy another hot water : heater again. If they ever do need repair AquaStar are designed : so that all parts are replaceable. We, at CET carry everything : that could possibly wear out. : For ventless applications , check out the Power Venting : Kit : Questions or Service? : Call (518) 287-1428 : Orders Call Toll Free at : (888) 305-0278 : : APPLIANCES : PRODUCTS : RESOURCES : ORDER : SPECIAL : DEALS : : Creative Energy Technologies : 10 Main St. : Summit, NY 12175 : Want to see more? EMAIL US : Please check us out. We are members of the : Schoharie County Chamber of Commerce. : Call them at (518) 295-7033 : 243 Main St. Schoharie, NY 12157

Posted by Keith Thompson on October 24, 2002 at 18:33:27:

In response to Re: Hot Water on Demand Systems

I installed an Aquastar 125 B April 2002. It's a whole house unit with a gas pilot. Works very well but I was suprised (shouldn't have been, I guess) when I read in the manual that the heat exchanger would probably have to be de-scaled in about five years (based on water quality). That will probably cost more than a new tank based unit! The promotional literature never mentioned this.

: : Anyone have information on the systems that provide hot water on demand instead of a hot water tank? Is there significant differences between those that use electricity vs propane?

: Tankless Gas Water Heaters

:
: AquaStar tankless gas water heaters provide
: instant, on-demand hot water virtually
: eliminating the stand-by heat loss of a
: conventional tank type heater.

:

: Read about a recent
: customer's installation
: experience

: Aquastar 125X $599.- is the
: only pilot-less gas Tankless
: Water Heater - NEW!!

: Aquastar 125 B $519. is the
: perfect residential "Whole
: House" Water Heater

: Aquastar 125BS $599. is the
: perfect back-up for your Solar
: Hot Water Heater.

: Aquastar 125 BL $569. is
: exceptional for recirculating and
: Hydronic Heating

:
: Buy It Online!

: Hot Water Showers

: Sizing and Models..
: Built to Last Generations.
: Endless Hot Water...
: Energy Savings...
: A Ten Year Limited Warranty

: For higher flow rate
: (two showers at once )
: see the T-K1
: Other
: Applications:

: Radiant slab,
: Hydronic, floor and
: space heating

: Open loop
: combination heat and
: hot water system
: with storage

:
: Typical Installation

: Read the US Dept. of Energy's
: Report on Tankless Water Heaters
: How AquaStar Tankless Gas
: Water Heaters Work:

: 1. When a hot water tap is
: opened at the low flow of 1/2
: gallon per minute, the cold
: water entering the heater passes
: through a brass water valve
: assembly which is designed to
: allow gas to enter the burners
: only when hot water is running.

: 2. The gas is ignited by the pilot
: or spark ignition and the water
: is heated as it flows through the
: finned tube copper coils which
: are located directly over the
: burners.

: 3. As you change the water
: flow, a governor modulates the
: flow of gas to the burners to
: maintain a constant
: temperature. The size of the
: flames and the energy used is
: always proportional to the
: volume of hot water being used.

: 4. The water temperature can be
: adjusted to produce outlet
: temperatures ranging from 100�
: to 140�F.

: 5. When the hot water faucet is
: turned off, the flow of gas to the
: burners is shut off. Your hot
: water tap is an ignition key for
: the energy used to heat the hot
: water you need.

:

:
: Aquastar's Models Index

: With an AquaStar tankless hot water heater by Bosch,- you'll
: never run out of hot water again. And you'll enjoy instant
: savings of up to 50% on your heating bill. Once your AquaStar
: is installed, you will never have to buy another hot water
: heater again. If they ever do need repair AquaStar are designed
: so that all parts are replaceable. We, at CET carry everything
: that could possibly wear out.

: For ventless applications , check out the Power Venting
: Kit

: Questions or Service?
: Call (518) 287-1428
: Orders Call Toll Free at
: (888) 305-0278

:
: APPLIANCES
: PRODUCTS
: RESOURCES
: ORDER
: SPECIAL
: DEALS

:
: Creative Energy Technologies
: 10 Main St.
: Summit, NY 12175

: Want to see more? EMAIL US

: Please check us out. We are members of the
: Schoharie County Chamber of Commerce.
: Call them at (518) 295-7033
: 243 Main St. Schoharie, NY 12157

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