?     Asked on 1/16/2012by Guest

Will a gas heater operate at the low speed of a dual speed motor?
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A  Answered on 1/16/2012 by InyoPools Product Specialist Patrick P.

Probably not - Most gas heater will shut off at low GPM levels (20-40) to keep the heater cores from overheating - 20 for 200 BTUs, 40 for 400 BTUs. Depending on your pool system you might get these GPM levels at the low speed but generally these heaters must be run at the motor's high speed.
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?     Asked on 10/10/2012by Guest

What is the difference between an Electronic and Millivolt ignition?
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A  Answered on 10/10/2012 by InyoPools Product Specialist Patrick P.

The basic answer is that Millivolt is the old style of ignition, using a standing pilot light. While the electronic ignition uses a spark start system like a gas grill. Electronic ignitions are more efficient in gas usage and also are better suited for high wind areas where a pilot light might get extinguished.
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?     Asked on 5/10/2013by Guest

The Raypak 2100 unit I currently have, has a "pool" and a "spa" switch. Is this the same type of deal on Raypak model 010104, but digital? Can you heat both together, or only separately, or both?
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A  Answered on 5/10/2013 by InyoPools Product Specialist Patrick P.

Yes, this heater will do the same job as your existing heater. Instead of two dials for spa and pool, the digital board will control both. You can set one temperature for the spa and one for the pool. You can also keep both bodies at the same temperature.
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?     Asked on 4/10/2015by Inyo Visitor

What is the efficiency rating on this heater?
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A  Answered on 4/10/2015 by InyoPools Product Specialist Brian M.

I spoke to the technical department at Raypak ( 805-278-5300 ) and was told that the efficiency rating for this heater is 82%.
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?     Asked on 4/30/2015by Mario

I'm looking for a pool heater and I see one at kijiji but is already 4 years old is it worth to buy it?
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A  Answered on 5/1/2015 by InyoPools Product Specialist Lennox H.

Mario, I'm not sure what kind of Heater you saw at Kijiji and what price but with it being 4 years old it's not coming with any warranty, so that's a call only you can make.
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?     Asked on 2/19/2016by Inyo Visitor

I have a spa only and a raypak spa/pool unit. Can I heat the spa when it is on the pool mode and will the spa heat any faster on the pool mode vs. the spa mode?
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A  Answered on 2/23/2016 by InyoPools Product Specialist Lennox H.

Hi, Since you only have a spa it does not matter what mode it's in. The heater will not heat faster in a specific mode. The Pool/Spa mode is for applications that has a pool/spa and wants each body of water heated to a different temperature.
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?     Asked on 3/1/2016by Jim

Just want to confirm that this is a natural gas, electronic spark ignition heater with the cupro nickel heat exchanger.
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A  Answered on 3/1/2016 by InyoPools Product Specialist Lennox H.

Hi Jim, This unit is a natural gas, electronic ignition with a cupro-nickel heat exchanger.
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?     Asked on 3/14/2016by Bernie

I will need to run about 250 feet of a natural gas line for this installation. Are there any recommendations and/or limitation to consider? Size of line, etc.
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A  Answered on 3/16/2016 by InyoPools Product Specialist Lennox H.

HI Bernie, Please refer to the Raypak RP2100 Installation and Instruction Manual for all installation requirement. You will also need to contact your gas company and a authorized Raypak installer for installation recommendations.
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?     Asked on 5/25/2016by Bradygirl

Is the 336K appropriate for a 16x32 inground pool? Also what is the size of this heater as I cannot seem to find.
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A  Answered on 5/25/2016 by InyoPools Product Specialist Patrick P.

Yes a 336K would be a good choice for a 16x32 inground pool, here you can see The Dimensions of a Raypak Heater
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?     Asked on 6/1/2016by bob

Is there any harm in over sizing your heater to your pool size?
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A  Answered on 6/1/2016 by InyoPools Product Specialist Alan M.

Hi, Bob. No there is no harm in oversizing the hearer on your pool. The larger the unit, the faster it will heat your pool, the less it will run. That translates into energy savings for you.
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?     Asked on 7/11/2016by Butch Hassig

Do you have a draft hood kit available for the R336A so i can install it indoors. If not, what about using the power vent kit and what is the cost for that?
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A  Answered on 7/13/2016 by InyoPools Product Specialist Joe S.

The item you will need will be the Indoor Stack Kit, R336A, R367A - 009840 our part number  6238-122
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?     Asked on 5/2/2017by Inyo Visitor

We are looking into replacing our existing STA-Rite 333 with another heater. We have a salt water pool. Is this Raypak product equal or better than STA-Rite and designed for salt water? Thank you.
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A  Answered on 5/2/2017 by InyoPools Product Specialist Scott W.

Yes, the 336,000 BTU RayPak with the cupro-nickel heat exchanger is made for saltwater pools to hold up against corrosion.
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?     Asked on 9/18/2017by andy

Im trying to replace a Rheem/Raypack model # P-M336A-EN-C. Is this the model? This is for a salt pool, natural gas.
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A  Answered on 9/18/2017 by InyoPools Product Specialist Lennox H.

Hi, Andy. This Raypak P-R336A-EN-X unit can be used as a saltwater friendly replacement for the P-M336A-EN-C model. This is a natural gas heater. 
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?     Asked on 2/25/2018by Thomas Edmonds

I am replacing the same unit that is approximately 10 years old. My current unit has the piping coming out of the left (from the front) side of the unit. Is that an option on this unit? Thanks.
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A  Answered on 2/26/2018 by InyoPools Product Specialist Lennox H.

Hi, Thomas. These units all come with the inlet/outlet assembly on the right. it can be changed to the left, however, that process will have to be done by an authorized professional. 
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?     Asked on 3/4/2018by Robert

Hello, I have an old P-R335A-EN, that is 19yrs old & is rusting out. Is this the best replacement, or is there another unit I should be looking at? Thank you
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A  Answered on 3/5/2018 by InyoPools Product Specialist Kevin G.

Hello, this would be the best fit for your situation. 
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?     Asked on 4/12/2018by Jeff

What is the lead time for shipping? I want to schedule installation and need to know when I would need to order for delivery by May 25th
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A  Answered on 4/12/2018 by InyoPools Product Specialist Kevin G.

Hello, the 014940 ships out in 24-48 hours and is in transit for 5-7 business days.
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?     Asked on 4/27/2018by Dawn

Is this heater good for a 20x40 in ground pool?
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A  Answered on 4/27/2018 by InyoPools Product Specialist Kevin G.

Hello, yes this unit would be a good size for your pool. You can expect to see around 1 Fahrenheit degree change per hour. 
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?     Asked on 4/27/2018by Joseph

What do you recommend for a above ground pool with saltwater system. 16x32x52"
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A  Answered on 4/29/2018 by InyoPools Product Specialist Lennox H.

Hi, Joseph. A 200K BTU or higher heater will be adequate for your size pool.
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?     Asked on 6/5/2018by kevin

what is the difference on Raypak Heater 336,000 BTU's NG ELE W/ Cupro-Nickel Heat Exchanger and Raypak Heater 336 BTU NG ELE
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A  Answered on 6/5/2018 by InyoPools Product Specialist Joe S.

Cupro-nickel is an alloy of copper that contains nickel and other strengthening elements. Because of this, it is highly resistant to corrosion in salt water. Pool heaters with a cupro-nickel heat exchanger are recommended for customers with a salt pool. Using one with a cupro-nickel heat exchanger will extend the life of your heater.
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?     Asked on 6/7/2018by larry kreuzer

Can I go with 1" pipe natural gas 70ft?
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A  Answered on 6/8/2018 by InyoPools Product Specialist Lennox H.

Hi, Larry. You will need a 1-1/4" gas line for this 336K heater. 
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?     Asked on 6/7/2018by larry kreuzer

Can I go with 1" pipe natural gas 70ft? Raypak Heater 336,000 BTU's NG ELE W/ Cupro-Nickel Heat Exchanger - 014940
 Reply

A  Answered on 6/9/2018 by InyoPools Product Specialist Megan C.

The Raypak Natural Gas 336K BTU at 70' will require 1-1/4" pipe. Please view the owners manual for further details. 
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?     Asked on 7/10/2018by Clarke

Can this unit be converted to Propane?
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A  Answered on 7/10/2018 by InyoPools Product Specialist Lennox H.

Hi, Clarke. To convert this unit to propane, you will have to replace the entire Burner Tray Assembly - 010413F
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?     Asked on 7/13/2018by George JOHNSON

how long is the warranty on your heater
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A  Answered on 7/13/2018 by InyoPools Product Specialist Lennox H.

Hi, George. This unit has a one year manufacturer warranty. 
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?     Asked on 3/4/2019by Inyo Visitor

which heater is recommended for a 27000 gal saltwater pool?
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A  Answered on 3/4/2019 by InyoPools Product Specialist Michelle B.

Hello, We would recommend something over 400k btus for your size pool.
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?     Asked on 4/2/2019by Kyle Brown

Is there a benefit with cupro-nickel heat exchanger when used in a chlorine pool in lieu of salt pool?
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A  Answered on 4/2/2019 by InyoPools Product Specialist Lennox H.

Hi, Kyle. The cupro-nickel exchanger can still outlast the copper exchanger because of the material. 
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?     Asked on 7/12/2019by Inyo Visitor

WHAT IS THE SIZE ON THE GAS PIPE
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A  Answered on 10/15/2019 by InyoPools Product Specialist Steve M.

We apologize for the inconvenience, however, we have been unable to obtain an answer to this question from the manufacturer. We suggest calling RayPak directly to see if they might be able to offer any advice.
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?     Asked on 3/2/2020by Daniel L Rafferty

I'm replacing a P-R335B-EN from about 15 years ago. What model should I be looking at if I want the same output without all the bells and whistles? Thank you for your help
 Reply

A  Answered on 3/2/2020 by InyoPools Product Specialist Lennox H.

Hi, Daniel. This P-R336A-EN-X or the P-R336A-EN-C models are suitable replacements. The P-R336A-EN-X has a Cupro-Nickel and the P-R336A-EN-C has a Copper Finned heat exchanger.
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?     Asked on 4/28/2020by Anthony Guanciale

I don’t quit understand the pipe chart diagram. Is the length of pipe number in feet, such as 30 feet ?
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A  Answered on 12/21/2020 by InyoPools Product Specialist Hector F.

Hi Anthony, yes the gas sizing chart is referring to feet for those lines. 
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?     Asked on 7/29/2020by Inyo Visitor

does this have the protek shield on it. I did not see it listed in the features.
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A  Answered on 10/27/2020 by InyoPools Product Specialist Hector F.

Hello, this model series does not have the Protek shield. You can however add a zinc sacrificial anode that would serve the same purpose. 
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?     Asked on 9/27/2020by Bill

My pool heater just blew its thermostat out with water flowing. Its a PR-405AL-EN. What should it be replaced with? I am in Calif. We have solar and its salt water and natural gas.
 Reply

A  Answered on 10/28/2020 by InyoPools Product Specialist Joe S.

Hello Bill, based on the number you provided we would recommend the RP2100 Digital Low NOx Heater - R407AL - Copper - Natural Gas - P-R407AL-EN-C #26 MODEL # 009243.
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?     Asked on 1/20/2021by Armando A Pulgaron

So we have a 20 by 40ft , about 2/3 from 4 to 6ft, and one third 8ft deep. It is chlorine system, but looking to convert to salt very soon. We are looking to install a natural gas heater. Considering a Raypack. What size and model would you recommend.
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A  Answered on 1/20/2021 by InyoPools Product Specialist Joe S.

Hello Armando, based on the information we would recommend either a 336-406 unit. We would also recommend you check with the installer or gas company to insure that your feed would be able to meet the demand needed by these units.
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?     Asked on 11/17/2021by Mark Pawlak

I have an inground pool in Michigan that is 20 x 38 x 6. I figure 34,200 gallons. I am looking at a Raypack "P-R366A-EN-X-#51. cupro nickle. Would this be a correct heater?
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A  Answered on 11/17/2021 by InyoPools Product Specialist Rich N.

Hi Mark, your pool has 760 square feet of surface area so, per our article on How to Select an Inground Pool Heater, you can expect about a 1.2 degree per hour temperature rise with the 336,000 BTU heater.  This might be adequate if you are looking to extend your pool season a bit.  Be sure to put a solar cover on it at night and when the heater is not operating to help keep the heat from escaping in the cool Midwestern evenings.  
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