⚙️ Key Specs (Model 460734)Model: Pentair MasterTemp 300Part #: 460734BTU output: 300,000 BTU (natural gas)Fuel type: Natural Gas (LP version is 460735)Heater type: High-efficiency gas pool & spa heaterWeight: ~136 lbsElectrical: 120/240V single-phaseHeat exchanger: Copper or cupro-nickel (corrosion-resistant option)NOx rating: Low NOx (eco-compliant emissions)�� Design & BuildCompact footprint (small equipment pad friendly)Rust-resistant composite exteriorDigital rotating display (easy viewing from any angle)Quiet operation compared to older pool heatersInternal pre-mix combustion system for faster ignition⚡ PerformanceFast heat-up time (one of its biggest advantages)Ideal for:Large residential poolsAttached spas / hot tubsMaintains stable temperature even in cooler weatherHigh energy efficiency for gas heaters in its class�� FeaturesDigital diagnostics error codes for troubleshootingNo standing pilot (electronic ignition system)User-friendly control panelBuilt-in safety pressure and temperature cutoffsCompatible with automation systems (Pentair controls)�� Best Use CaseThis heater is commonly used for:20’–40’ residential in-ground poolsSpa pool combo systemsPools needing fast heating before use (same-day heating)It is especially popular in setups where people want:“heat on demand” (weekend swimming, quick spa use)
