Home Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217
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Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217

Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217 Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217 Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217 Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217 Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217 Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217 Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217 Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217 Raypak Digital Natural Gas Pool Heater 266k BTU | Electronic Ignition | P-M266A-EN-C 009963 P-R266A-EN-C 009217

Parts AvailableParts Available
Platinum Preferred Manufacturer
The sleek and stylish Raypak Digital Gas Pool and Spa Heater features innovative technology designed to keep your pool or spa at the perfect temperature for your enjoyment. Built to withstand various weather conditions, this modern pool and spa heater is the perfect solution for environments requiring efficiency, convenience and versatility.
Thanks to a brilliant low-profile design, corrosion resistant cabinet made of galvanized metal, copper fin tube heat exchanger, and a bevy of advanced-engineered materials, enjoying your heater year round is a breeze.
Electronic Ignition
Raypak Digital heaters come standard with intermittent spark ignition pilot safety controls. What this means is that the pilot only comes on when there is a call for heat. This is a more energy efficient way to control you heaters gas usage by not having a standing pilot. Raypak has been using the same reliable electronic pilot ignition design for over 20 years.
Microprocessor Controlled Thermostat
The Raypak Digital gas heater comes with a microprocessor based thermostat control. This control allows you to set your pool or spa temperature precisely at your favorite setting just by pressing an up or down temperature control button. The Digital display gives you a constant read out of your pool water temperature. Just set it, and forget it! Truly simple.
Self Diagnostic
Troubleshooting a gas heater has never been easier. The Raypak Digital has on-board diagnostic controls that let the user and the service professional know what is going on with the heater at all times. In the event that you would ever have a problem with the heater, the digital display will show where the problem is in the control circuit. It's like having a service technician built into every heater!
Remote Compatible
The Raypak Digital is compatible with most major pool control and remote systems on the market today. Any two-wire or three-wire remote can connect to the Raypak Digital and be integrated into the pool control system of your choice.
Built-in Wind Resistant Design
The Raypak Digital has the best outdoor design in the market today. With over 50 years in designing and building gas heaters, Raypak has put all that experience into its newest heater design. No need for fans to combat drafting problems, the Raypak Digital was designed for outdoor installations with its exclusive low profile design. It is so thoughtfully and carefully designed it actually protects itself from the things that tend to stifle ordinary pool and spa heaters: falling leaves, wind, airborne debris, rain, downdrafts, updrafts, sleet, snow, etc. In fact it is so efficiently designed it ensures uninterrupted heating performance regardless of all but the most extreme weather conditions. Built Raypak tough. Built to last.
Smart Design
One look will tell you that the Raypak Digital is different! The look is contemporary. The design is advanced. And inside and out it's engineered to last. The attractive forest green and charcoal gray panels complement the latest pool and spa equipment designs. Raypak's original "pagoda top" design will keep the heater operating even in extreme wind conditions and downdrafts
Polytuff Powder Coating
The Raypak Digital has a polyester coated, non-corrosive cabinet that is more durable than solventborne and waterborne coated metal cabinets. Every piece of sheet metal that gets powder coated goes through a 7-stage wash system making certain the powder paint has a perfect bond. Underneath the tough and beautiful finish you will find galvanized metal that offers superior rust prevention and years of durable service.
Polymer Header
The Raypak Digital incorporates the latest in header design technology. Raypak's state-of-the-art engineering department utilized the latest in 3-D computer aided design to engineer the part for optimal performance. Polymer resin headers prevent rust stains from harming your pools surface giving you years of trouble-free swimming pleasure
All Copper Fin Tube Heat Exchanger
All Raypak Digital gas heaters come standard with integral copper finned tube. This means that the fin tubing is made from one piece of extruded copper tube. Since the fins are integral to the tube, maximum heat transfer is attained. Every Raypak Digital has the same robust design tube bundle that we use in our large gas commercial boilers.
Stainless Steel Tube Sheet
Stainless steel tube sheets are used on all Raypak Digital heaters that use the Polymer resin headers. This allows for a completely nonferrous waterway leaving your pool truly rust-free.
CPVC 2" Water Connections
Standard with every Raypak Digital is a set of 2" slip fit CPVC water connections to make your installation secure and effortless.
Condensation Protection
Standard on all Raypak Digital models is Raypak's Unitherm Governor, which helps reduce condensation from low inlet water temperatures. The Unitherm Governor automatically regulates the water flow to help keep the water temperature in the heat exchanger above 105 Degree F. Both water temperature and water flow rate are controlled to eliminate condensation, sooting, and scale buildup that can shorten heater life.
High Flow Rates
No need to worry about large pumps or high flow systems. The Raypak Digital comes with an automatic bypass built into the header. You'll find that the Raypak Digital delivers the industry's lowest pressure drop and highest water flow rate - up to 125 gallons per minute - exceeding the maximum recommended for 2" plumbing systems. More hot water moves through faster and more efficiently.
Fuel Efficient
Efficient? You bet. Energy-smart Raypak heaters consistently achieve the highest efficiency ratings and the Raypak Digital is no exception. It exceeds all federal and state standards.
Burner Tray
Every Raypak Digital burner tray is built to last. From the stainless steel burners to the aluminized metal used in the heat sensitive areas. In the event that anything should happen to your burners they can be quickly and easily serviced. One more reason why the Raypak Digital is made to take the work load year after year.
Fire Tile
A ceramic fiber combustion box keeps your Raypak Digital running efficiently and keeps the outside jacket cool. By using this space-age material the heater won't retain residual heat after it is turned off, allowing it to be installed without the use of costly metal heat sinks.

Brand: Raypak
BTU Rating
Gas Type
Natural Gas
Q & A
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 29 questions Browse 29 questions and 49 answers
Does the unit come with a flow switch or do you have to buy it separately ?
Tyler G on Mar 5, 2017
BEST ANSWER: Tyler, my unit was complete out-of-the-box. I plumbed the pool, the gas, hooked up the electric, hit the switch and away she went. This is my second season and it works great. Hope this helps. Craig
Our pool is 16x32 in ground which heater should I purchase?
A shopper on Apr 23, 2018
BEST ANSWER: For our 30 x 60 ft (with one end being 8 ft deep), this heater works well. Heats the pool a couple degrees every hour or se. Should be fine for your pool.
(On a side note, there are a couple versions of this heater. This one needs a dedicated, grounded electrical supply... NOT an outlet. I believe the millivolt version does not. This one does have an electric thermostat.)
How does this unit work with salt water pools?
Lisa P on Dec 3, 2019
BEST ANSWER: It worked fine, Never had a problem
I have a Raypak model C-265B-MP , will the in door stack from mine fit fit the266000 model?
A shopper on Aug 27, 2016
BEST ANSWER: The stacktops havent really changed over the years. It should be a direct fit.
will this heater be compatible to a LLD250N NATURAL GAS 250,000BTU ?
Anna O on Jul 13, 2016
has anyone had a problem with the display board displaying?
A shopper on Jun 7, 2017
BEST ANSWER: This is our second season with our new heater and have not had any problems. I was worried it would be like the one we replaced (couldn't see the display) but this new heater has the cover over the display. Keeps the sun off.
If I have a 20x40 inground pool, which raypak heater should I purchase?
Jane I on Sep 10, 2017
BEST ANSWER: We own the same size in ground pool with spa and installed a 266 Raypak heater and love it. Heater is now two years old and has been trouble free and very efficient.
I'm replacing a Raypak p-r 185A running off NG. My plumber said to get one rated at the same BTU, but the one I have is rated at 181000 BTU. I estimate my pool at about 14-15k gallons. Will this work?
Scott A on May 22, 2016
BEST ANSWER: We bought the Raypak 266 that runs off of NG and we are heating an inground pool that is 30,000 gallons and it works great. It increases the temp. by 25-30 degrees in a day. We love it, compared to our old 185 teledine.
Would this be good for 26,000 gallon inground pool?
Matt N on May 17, 2020
BEST ANSWER: My inground pool is 18’ x 36’ it works well for that size!
With that said when you shut down it is critical to clean and flush your heater with fresh water! The Heat Exchanger is copper tubes and Chlorine Water is very harsh on that material! I installed a homemade by-pass system to reduce my heater’s chlorine water flow once we achieve the desired water temperature! PH Balanced water is important as well! I hope this answered your question!
Do you need to add a hood to this heater or is it good to go as in box?
Jason N on May 13, 2020
BEST ANSWER: Nothing else needed, other than the gas and electrical connection. Works great.
My pilot is on but heater won’t turn on?
A shopper on May 10, 2020
BEST ANSWER: It could be a couple of things
Clean the filer
Or you need a new thermal couple or there maybe a sensor
How to winterize?
A shopper on Sep 15, 2019
BEST ANSWER: This is assuming you have already closed your pool and blown the lines! Turn off electric and shut off gas valve to the heater first thing, if you have not already. Remove two drain plugs, one on each side. The water side is excessable but the opposite side requires you to remove a sheet metal panel, about eight screws. Flush with fresh water from that side with garden hose and a small funnel to capture and direct water. Allow water to drain then blow out excess water completely until it is free of moisture, replace plugs and panel for next season. I have a Framed screen I place over mine to keep the fall and winter foliage from accumulating on top, then I cover with a tarp and duct tape the top only. Good luck!
Is this the cuper nickel exchanger?
A shopper on Apr 2, 2018
BEST ANSWER: This does not have a cupro nickel heater exchanger, I will list the one with it below.
Raypak Digital Propane Gas Pool Heater 240K BTU | Electronic Ignition | Cupro Nickel Heat Exchanger | P-R266A-EP-X #57 014951 P-M266A-EP-X #58 014979 015007
Raypak Digital Propane Gas Pool Heater 240K BTU | Electronic Ignition | Cupro Nickel Heat Exchanger | P-R266A-EP-X #57 014951 P-M266A-EP-X #58 014979 015007
We have an 18,000 gal indoor pool at our cabin. It currently is heated by a Hayward 120,000 btu furnace. I have the opportunity to purchase a used Raypak which is 266K btu. Will i have any issues going to a larger heater? Will it heat my pool faster using the same pool filter/pump?
A shopper on Oct 25, 2016
BEST ANSWER: I purchased the above unit as a replacement for my 20 year old Raypak pool heater. I can't answer your question about how fast this heater will perform compared to your old heater, but I can tell you that it has performed very well for us. Given the choice I'd do the same thing again.
can i use the 266 on above ground pool?
A shopper on May 30, 2016
BEST ANSWER: Yes, you can. I got this for a 32'x16' Doughboy above-ground pool, and it worked quite well for the first season (which is as long as we've had the pool).
Can I have the side pipes on the other side?
A shopper on Mar 29, 2016
BEST ANSWER: Yes you can switch the manifold to the other side
Does this heater need special connections/risers that aren't common?
Jason N on May 28, 2020
BEST ANSWER: No. Very easy installation
The heater is set to heat, but the read out says “water Sw open”. It isn’t kicking on to heat. What should I try?
A shopper on May 23, 2020
BEST ANSWER: Never had that problem. Call raypak they are very helpful.
My Raypak 266A heater has the water connections on the left side instead of on the right. On a new replacement heater is this an easy switch from right to left side?
A shopper on May 19, 2020
BEST ANSWER: When you face to the front control panel the water connection is on the right. I don’t think you can change.
I have a raypak Versa model C-335B-en. Is this a good replacement model? Are the water intake/outtake at the same location?
A shopper on Apr 14, 2020
BEST ANSWER: Yes and yes
How economical is an electric pool heater for inground pool?
A shopper on Sep 26, 2019
BEST ANSWER: I purchased the natural gas heater not an electric heater
I have a 15 x 30 pool maybe 6' deep do you have a smaller unit? Guessing under 15,000 gallons right?
Patti R on Sep 6, 2019
BEST ANSWER: Several smaller units are available, we have a 106K, 156K, and 206K. For this size pool however, we wouldn’t recommend anything smaller than the 206K.
Raypak Digital Natural Gas Pool Heater 200k BTU Electronic Ignition P-R206A-EN-C 009216 P-M206A-EN-C 009962
Raypak Digital Natural Gas Pool Heater 200k BTU Electronic Ignition P-R206A-EN-C 009216 P-M206A-EN-C 009962
How many amps and voltage requirement for this heater?
Gus P on May 9, 2018
BEST ANSWER: I'm not sure of the amps but it is wired for 120 Volts. I just wired it to my existing system.
I have a 20,000 gal pool and live in southern Wisconsin. I have a chlorine pool and am contemplating purchasing a Rheem 266 Propane heater. Question - even though I have a chlorine pool should I consider buying a cupro-nickel unit? Thanks CRM
Chuck on Apr 1, 2018
BEST ANSWER: I have a chlorine pool and the old unit I had lasted 10 seasons. I purchased this heater new 2 seasons ago. It is the same as the old one, but higher BTU. I figure if I get 10 seasons it was time to get a new one anyway. Very happy with the new unit
Is this a natural gas pool heater with capron or polymer headers?
A shopper on Apr 26, 2017
BEST ANSWER: Yes it is natural gas along with Polymer headers, I purchased one last year and very satisfied with it performance and durability. Best pool heater I've owned so far.
What is the difference between RayPak Models 206k and 266k? Are there two different types of heat coils to choose from? Thx.
Sean O on Dec 3, 2016
BEST ANSWER: I would say it is probably the burner size that is different with the 266k using more fuel to heat but heating faster. We purchased a 266k and love it and have had no problems with it.
I wonder how fastest shipping days when I get?
Jenny p on Jun 25, 2020
My pool heater is making a lot of whistling sound why ?
A shopper on Aug 2, 2019
Is there a millivolt ng 266k btu heater?
A shopper on Jun 17, 2019
4.5 / 5.0
18 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Champion heater
We have about 22,000 gallons and this heater works like a champ.It wasn't difficult for the installer to install.Great product!
January 12, 2015
Raypak replacement heater
I went with this Raypak heater as a replacement for an older Raypak unit. I've had great luck with Raypak in the past, and this heater is no different. Shipping was quick and installation was seamless. Very happy with my new pool heater.
January 10, 2013
The heater works great it was shipped a few days after we ordered it no problems at all.
October 20, 2019
9 months ago
It shakes when it starts and shows the water temp inaccurately so I'm not very pleased to this point
August 22, 2016
over 4 years ago
It does not work very well and the 3/4 fitting are not standard ... the regulator that is build into the unit does not function properly and must be set at a different regulator out side the unit !! Huge pain in the ass and left it run for 24 hours and pool still not hot .... sucks don’t buy it
November 9, 2018
1 year ago
As advertised...
Found this unit after searching and searching. Great price, live in Michigan so shipping from CA took a bit. Was easy to install and has worked like a champ since we installed it. Will never buy a heater without electronic ignition...
June 17, 2020
1 month ago
Extremely happy
Came by truck in a few days. Installed the heater. It has been working for a few days and seems to be doing great.
May 18, 2018
over 2 years ago
Quick delivery, great price and consumed very little of my time. Scott, Rochester Hills Michigan
June 24, 2017
over 3 years ago
Pool heater
Im using the heater third season. So far works Great.
June 7, 2019
over 3 years ago
Little noisier than expected but works great
Works as expected has a little bit of a whistle to it when its running.
June 7, 2019
1 year ago
Required for warranty: Register your product online at www.raypak.com/warranty.
Raypak pool and spa heaters are engineered to perform and built to last. The brand you know and trust is bringing you more peace of mind with a two-year extended warranty on residential pool and spa heating products.
The benefits of the new extended warranty, include:
  • 2-year extended warranty*
  • Professional in person service
  • 24-hour or same-day service**
  • Genuine Raypak parts
  • Factory technical support
The product registration process is quick and easy to complete. To take advantage of our extended warranty follow these steps:
  1. Have your pool or spa heater professionally installed
  2. Register your product online at www.raypak.com/warranty.
Warranties are effective for products installed on or after June 17, 2019.
*See warranty for specific details. Conditions apply. For full warranty details by product, refer to www.raypak.com.
**Florida heat pumps only. Selected areas.
This information was updated on 12/4/19. For the most current information and full warranty policy please visit www.raypak.com.

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Pool Supply Unlimited is an e-commerce company that loves water. We love to pump it, filter it, heat it, chlorinate it, light it up and stare at it while we're barbequing a fat, juicy steak. There are real pool professionals working here. Our guys have seen thousands of pools in their careers, no exaggeration. We are based in Southern California and can land most products to your door (within the 48 contiguous states) in less than a week.
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