Raypak P-R336A-EN-C #50 Digital Natural Gas Heater, 332.5K BTU, Electronic Ignition, Polymer Headers, Copper Exchanger, 240 lbs | 009218
Raypak
SKU: 9218
Raypak 009218 P-R336A-EN-C #50 Digital Natural Gas Heater 332.5K BTU
The Raypak 009218 P-R336A-EN-C #50 Digital Natural Gas Pool and Spa Heater is a 336A-series residential heater designed for natural gas applications. This model features digital electronic ignition, polymer headers, and a copper heat exchanger for dependable pool and spa heating when installed and sized correctly.
This heater is commonly used on residential in-ground pools and spas where a 336A natural gas heater with digital controls, standard copper tubing, and outdoor installation capability is required. Always confirm gas type, altitude, local code requirements, pool size, plumbing, venting, and heater sizing before ordering.
Product Features
- Genuine Raypak Digital pool and spa heater
- Manufacturer part number: 009218
- Model: P-R336A-EN-C #50
- 336A digital natural gas heater
- 332.5K BTU class heater
- Electronic ignition for reliable startup
- Digital control with LCD temperature display and diagnostic information
- Polymer headers for corrosion-resistant water connections
- Copper fin-tube heat exchanger for standard pool and spa applications
- Designed for 120/240VAC single-phase electrical service where specified
Product Details
| Brand | Raypak |
| Part Number | 009218 |
| Model | P-R336A-EN-C #50 |
| Product Type | Digital Gas Pool and Spa Heater |
| Fuel Type | Natural Gas |
| Heater Size | 336A / 332.5K BTU class |
| Ignition Type | Electronic Ignition |
| Header Type | Polymer Headers |
| Heat Exchanger | Copper Tubing |
| Control Type | Digital Control |
| Voltage | 120/240VAC where specified |
| Application | Residential pool and spa heating |
Compatibility
- Residential pool and spa systems requiring a Raypak P-R336A-EN-C #50 natural gas heater
- Outdoor pool equipment installations where this model is approved by local code
- Systems requiring a 336A Digital Raypak heater with polymer headers and copper tubing
- Applications where the gas supply, electrical supply, water flow, plumbing, venting, and clearances meet Raypak installation requirements
Common Uses
- Heating residential swimming pools
- Heating attached spas when properly plumbed and controlled
- Replacing a compatible Raypak 336A natural gas heater
- New equipment pad installations where a 336A natural gas heater is properly sized
- Digital heater upgrades from compatible older Raypak natural gas pool heaters
Important Notes
- This item is the heater only.
- Gas line, electrical wiring, bonding, venting, unions, plumbing fittings, automation wiring, check valves, bypass plumbing, pressure relief valve where required, and installation materials are sold separately unless otherwise stated.
- Verify natural gas availability and gas line sizing before ordering.
- This model is not a propane heater. Do not attempt to use propane unless the exact propane model is ordered.
- This is a copper heat exchanger model and is not the same as cupro-nickel, ASME, Low NOx, commercial, or propane versions.
- Some jurisdictions require Low NOx heaters or have restrictions on standard atmospheric gas heaters. Confirm local requirements before purchase or installation.
- Improper water chemistry, low flow, scale, corrosive water, freeze damage, or improper bypass settings can damage the heater and heat exchanger.
- Gas heater installation and service should be performed by a qualified pool heater professional according to Raypak instructions and local code.
Installation Notes
- Confirm the model, fuel type, altitude range, BTU size, and local code requirements before installation.
- Install the heater on a level, non-combustible equipment pad with proper service access and clearances.
- Size the gas line according to the heater demand, gas type, run length, and local code.
- Confirm proper water flow through the heater before firing.
- Use proper plumbing practices and install any required check valves to protect the heater from chemical backflow.
- Bond and wire the heater according to the installation manual and applicable electrical code.
- Verify inlet/outlet plumbing orientation before startup.
- Check for gas leaks, water leaks, proper ignition, and correct temperature operation during startup.
- Register the heater and keep installation records, serial number, and startup documentation for warranty and service reference.
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Maintenance Tips
- Maintain proper pool water chemistry to help protect the copper heat exchanger.
- Keep pH, alkalinity, calcium hardness, and sanitizer within recommended ranges.
- Clean the pool filter regularly to maintain proper heater flow.
- Inspect the heater area for leaves, debris, rodents, insects, and restricted airflow.
- Check the equipment pad for water leaks, gas odor, rust, or signs of overheating.
- Winterize the heater properly in freeze-prone conditions.
- Have ignition, gas pressure, flame quality, venting, safety controls, and heat exchanger condition checked by a qualified heater technician during routine service.
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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