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45 557701 can I buy parts for my unit?

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Call BOSCH 800-798-8161 tech support. If it45 557701 - icon1.png is not too old even out of warranty they will help diagnose. You can get parts for free in warranty and buy parts at out of warranty.


Posted on Mar 25, 2014

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Ge geospring hot water heater fault code F1

Copy following links before calling GE with model and serial number for local trained service technician.

Don't buy expensive water heaters that do not have service manuals available.


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I have a Powerstar water heater model ps28T, ser# 0289343, It has a split in the holding tube for the heating element . Where can I get parts for it? Thank You Terry

The heat exchanger is broken.
If part is available, it might cost more than new unit.

Contact Bosch. 800=283-3787

Fix it yourself same day, and Save money and save long-term problems: buy tank-type heater for $250 at local box store.

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I have a paloma PTG 74PVP-2, error codes C2 14 flashing?

Before calling service technician, or Rheem, copy following link for troubleshoot resources:

Error 14 is low manifold pressure, cracked heat exchanger, restricted air flow.
C2 can be dirty combustion parts, bad gas solenoid valve, bad circuit board.

Combination of these two error codes implies possible PC board failure, which is similar to failed motherboard on computer.
Suggest that service technician perform the required yearly maintenance to see it that fixes error code.

Aug 25, 2012 | Rheem Water Heaters

1 Answer

Error code 13, replace burner and vent kit, still getting error code Rheem tankless hot water heater

Before calling service technician, open following link for troubleshoot resources:

The same error code and problem on one person's tankless unit can have different solution than another tankless unit.
This is because tankless require perfect operation of parts and sensors while being affected by incomming water and gas issues, and venting, plus plumbing factors.
Replacing one part is not always the fix, since that part interrelates with so many other parts, each affected by the operation of the other, and operation of the chip and integrity of wiring and wiring connections.

Read manual for yearly maintenance requirements, and calculate those costs when figuring anticipated $1-8 monthly energy savings from owning tankless.
Check that your region has reasonably-priced, qualified service technician for your brand before buying tankless. And check part list and cost of parts before buying any water heater because these factors weigh-in after a few years of operation.

Repair most tankless problems yourself, same day, any brand, for around $330.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 11, 2011 | Rheem Tankless Hot Water Heater...

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We have a Power Star Bosch water heater it find for two years but now it take longer to get the warm water and it turn back to cold very fast. Model #45-557701

Call BOSCH 800-798-8161 tech support. If it is not too old even out of warranty they will help diagnose. You can get parts for free in warranty and buy parts at out of warranty. If it gets hot fast and then stops, one of the "Thermal cutout switches" is cutting out. The water flow it probably blocked. (Just a guess) On many models they have a "Screen" and or a "Gromet" that you can clean out. If your water is really hard the whole unit may be clogged. I believe the "SAFE" thing to do is replace it but again I say CALL BOSCH TECH SUPPORT. I have also heard of people "Cleaning the whole units with vinigar, like cleaning a coffee maker. TURN OFF POWER! TURN OFF H20! REMOVE UNIT, then clean.

May 19, 2010 | Bosch PowerStar AE115 Tankless Water...

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Our second unit just failed and needs a new controller more money

The only Bosch tankless I have ever touched have been the 3 I have taken out and replaced with Rinnai. I think Bosch/Paloma/etc. have two problems:

1. They do not properly certify technicians before allowing them to install these units.

2. Their product is mediocre at best.

The biggest problem I've seen is that people don't vent them properly. The last one I pulled out had a combined vent length of 55'. 55 FEET! Absurd!
The units was condensing so much inside the vent that it washed out 2 gas control valves in ONE YEAR.

Buy Rinnai, buy Takagi, buy Noritz....maybe even a Navien (new player...time will tell)
Factory certified technicians, preferably equipped to do the gas & plumbing without having to sub it out.
Years of trouble-free hot water.

Good Luck.

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I have model gc6aa-9e water heater. I think i blew the 120 element by turning on breaker B4 filling water tank after winter; The schmatic that came with camper shows part # 91160. Is this corect and if so...

Yes, That will do it. Most RV appliance parts can be purchase at RV dealerships that have parts department. Camping world has always been very helpful. As far as A part # is concerned I can't confirm although it is good to have it and the make and model of the unit. Good Luck

May 08, 2009 | RTO Atwood DSI-RV Water Heater-6 Gallon

1 Answer

Unit overheated due to fan malfunction.

Again EA or EC error codes? To unplug the fan you really have small hands. Fan is a unit not just motor, explosion proof and costs over $330.
If that was a popping or staccato noise it wasn't the fan but the gas valve. Sounds like water penetration which condemns the gas valve a $237 part which FYI DIY you can't replace unless you're a Tech.
What's with your warranty?
The pilot in an electronic Bosch doesn't exist, it's lite by a spark . igniter.
This is a Gas Appliance which requires a RSA to service.
If water penetration then change your termination box to drop dead by Z-Vent. We change dozens of these (GV's) a year due to this crappy box. These units work best when Direct Vented.

Jan 24, 2009 | Bosch AquaStar 2400ES-NG

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