300K BTU Pentair MasterTemp Pool Heater 460734

⚙️ Key Specs (Model 460734)

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• Model: Pentair MasterTemp 300
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• Part #: 460734
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• BTU output: 300,000 BTU (natural gas)
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• Fuel type: Natural Gas (LP version is 460735)
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• Heater type: High-efficiency gas pool & spa heater
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• Weight: ~136 lbs
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• Electrical: 120/240V single-phase
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• Heat exchanger: Copper or cupro-nickel (corrosion-resistant option)
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• NOx rating: Low NOx (eco-compliant emissions)
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🧱 Design & Build

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• Compact footprint (small equipment pad friendly)
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• Rust-resistant composite exterior
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• Digital rotating display (easy viewing from any angle)
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• Quiet operation compared to older pool heaters
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• Internal pre-mix combustion system for faster ignition
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⚡ Performance

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• Fast heat-up time (one of its biggest advantages)
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• Ideal for:\n
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  • Large residential pools
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  • Attached spas / hot tubs
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• Maintains stable temperature even in cooler weather
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• High energy efficiency for gas heaters in its class
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🧰 Features

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• Digital diagnostics + error codes for troubleshooting
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• No standing pilot (electronic ignition system)
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• User-friendly control panel
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• Built-in safety pressure and temperature cutoffs
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• Compatible with automation systems (Pentair controls)
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🏊 Best Use Case

This heater is commonly used for:

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• 20’–40’ residential in-ground pools
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• Spa + pool combo systems
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• Pools needing fast heating before use (same-day heating)
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It is especially popular in setups where people want:

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• “heat on demand” (weekend swimming, quick spa use)
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