Pentair Max-E-Therm® SR333 HD Natural Gas Pool & Spa Heater 333K BTU

Stay ready to swim with the smart, high-performance Max-E-Therm heater. Now with advanced connectivity and energy-saving features:

• Smart control via Pentair IntelliCenter® – manage from anywhere (sold separately)
• Real-time alerts to your device for performance updates
• Optimized ignition with flame strength monitoring
• Easy-to-use full-text digital display
• Optional Smart Bypass Valve 462048 saves up to 35% on energy costs

Reliable, efficient, and now smarter than ever.

Support Documents:

Specifications:

• Brand: Pentair
• Application: Indoor, Outdoor, Pool, Spa
• Shipping Dimensions: 27.75 x 34.25 x 32 inch
• BTU Input: 333000 British thermal unit
• Cabinet Depth: 31.69 inch
• Cabinet Height: 30.03 inch
• Cabinet Width: 25.15 inch
• Commercial, Residential, or Professional: Residential
• Control Type: Digital
• Weight: 123 pounds
• Flow Rate Max: 120 gal/min
• Flow Rate Min: 33 gal/min
• Frequency Rating (Hz): 60
• Fuel Type: Natural Gas
• Green or Energy Efficient Product: True
• Phase: Single
• Standards Approvals: CSA Certified
• Tubing Material: Cupro Nickel
• Voltage: 120V, 240V
• UPC Code: 022315306165
• Warranty: 2-year warranty with professional installation