Sta-Rite Natural Gas Max-E-Therm® Cupro-Nickel 333,000 BTU | SR333HD
Sta-Rite Natural Gas Max-E-Therm® Cupro-Nickel 333,000 BTU | SR333HD is backordered and will ship as soon as it is back in stock.
Sta-Rite SR333HD 333,000 BTU Max-E-Therm® Pool Heater
Keep your pool comfortable and ready to use with the Sta-Rite SR333HD Max-E-Therm® Pool Heater. Built for dependable performance, this heater delivers consistent heat with simple, straightforward operation you can rely on.
With a powerful 333,000 BTU output, it heats your pool quickly and efficiently—ideal for maintaining temperature during cooler weather or extending your swimming season. The Max-E-Therm® design is known for its durability and long-lasting performance, making it a solid choice for pool owners who want reliable heating without unnecessary complexity.
Key Features
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333,000 BTU output for fast, efficient heating
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Reliable performance with easy-to-use controls
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Durable construction for long service life
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Maintains consistent pool temperature
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Great for extending your swimming season
Why Choose the SR333HD
The SR333HD offers strong heating performance in a proven design that’s built to last. It’s a great option for pool owners who want dependable results and simple operation without overcomplicated features.
Cupro-Nickel Heat Exchanger

At K&J Leisure, we pride ourselves on being the best in the pool industry, not just because of our top-quality products but because of our unwavering commitment to customer satisfaction. We want you to love every purchase, but if something isn’t quite right, don’t worry—we’ve got your back!
Our Friendly Return Policy
Here’s how we make returns as refreshing as a dip in the pool:
- Hassle-Free Returns: You have a full 30 days to decide if your purchase is a perfect fit. If it’s not, simply return it—no questions asked! For purchases made in the off-season in cold weather climates, our Return window is open until June 15th! No need to wait to place an order.*
- No Restocking Fees: Unlike others, we believe in fair treatment for our customers and avoid restocking fees on the vast majority of returns. We waive restocking fees if your are not satisfied, if your problem was not resolved or if you simply change your mind!
- Wide Acceptance of Returns: Whether it’s a filter, pool cover, or accessory, we accept most items for return.
Exclusions:
- Custom orders such as Liners, Safety Covers, and Pool Kits cannot be returned, we will work with you to ensure your order is placed correctly on these non-returnable orders.
- Freight shipment orders, including heaters and larger pool filters not shipped via courier - These items may still be returned but we must recoup the original shipping cost that we have paid.
- Customer damaged - We totally understand that by the pool, exposure to chemicals, the elements and just having fun will cause some items to wear. However, we cannot accept returns if an item is damaged beyond use or in extremely poor condition.
How to make a return
Simply reach out to our friendly customer service team, and we’ll guide you through the quick and easy process. info@kjleisure.com or Toll-Free: (866)-509-8728
We can even help with return shipping options if needed!
