The Raypak P-R106A-AP-C complete natural gas heater is designed for pool and spa heating applications where a fully assembled 150K BTU unit is needed. A complete heater is useful because it provides the core heating system in one ready-to-install package rather than requiring a pieced-together repair or rebuild. This model is especially useful when replacing an aging unit or outfitting a compatible system with a dependable natural gas heater that matches the intended electrical requirement of 120 volts. Choosing the correct complete heater helps streamline installation and supports dependable day-to-day performance. The 014779 is a practical solution when a compatible application needs a Raypak 150K BTU complete natural gas heater with 120 volt configuration. Raypak complete natural gas heater 105K BTU output 120 volt configuration Designed for compatible pool and spa heating applications Supports dependable full-system heating performance