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Thread: Rheem 156 Pool Heater on the fritz

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    Join Date
    Jun 2014
    Location
    Sterling Heights, MI
    Posts
    13

    Question Rheem 156 Pool Heater on the fritz

    We have a Rheem 156 pool heater hooked up. The heater was purchased new this year along with our pool. It has operated just fine all season until Thursday. Fired it up and it ran for awhile, then noticed hot water was no longer coming out of the return in the pool and knew there was no way it had reached setpoint yet. Took a look at the display and it is showing a "Rollout SW Open" Error. After consulting the manual it says that this is likely caused by soot buildup.

    Is this normal on a brand new unit? We have only used the heater maybe 10 days out of the summer.

    The manual also lists a de-sooting procedure....which involves removing the heat exchanger...is this something the average homeowner should be able to accomplish on their own or would this require a professional?
    7600 gallon AG with a Waterway Premium Blue (150 sqft) Cartridge Filter, Waterway 1/2 hp 2 speed pump. Installed on 6/25/14. Raypak 156 Heater. TF-100 Test Kit

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    In the Industry

    Join Date
    Mar 2010
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    122

    Re: Rheem 156 Pool Heater on the fritz

    Before you get into totally removing the exchanger. You may want to try just removing the headers and see if you can see any build up inside. The headers are where you pvc connect to the heater btw. They are connected by some nuts I believe they are 12 mm. I personally have never had this issue in ky since out water dosent have high calcium levels. I'm not sure if that's what has caused this.
    Jacob Zaluski, Owner
    True Blue Pools LLC. Lexington, KY
    Service Center for Hayward Pool Products

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    Join Date
    Jun 2014
    Location
    Sterling Heights, MI
    Posts
    13

    Re: Rheem 156 Pool Heater on the fritz

    Quote Originally Posted by uncfan1573 View Post
    Before you get into totally removing the exchanger. You may want to try just removing the headers and see if you can see any build up inside. The headers are where you pvc connect to the heater btw. They are connected by some nuts I believe they are 12 mm. I personally have never had this issue in ky since out water dosent have high calcium levels. I'm not sure if that's what has caused this.
    I will have the hubby take a look at the heater this weekend. Thanks for the feedback!
    7600 gallon AG with a Waterway Premium Blue (150 sqft) Cartridge Filter, Waterway 1/2 hp 2 speed pump. Installed on 6/25/14. Raypak 156 Heater. TF-100 Test Kit

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