Raypak Avia Digital Low NOx Propane Pool Heater 399K BTU | RAY-15-4810 Aqua Thunder Spa Jets Completes 2-Pack Convenience: Includes two wheel

2-Pack Convenience: Includes two wheel treads

it helps maintain consistent hydraulic flow and pressure head

Ensures Proper Flow: Helps regulate water circulation to prevent overheating and maintain efficiency

The 100 mesh (which has very small holes) catches fine debris

Use Teflon tape or thread sealant on threaded connections

Raypak Avia Digital Low NOx Propane Pool Heater 399K BTU | RAY-15-4810 Aqua Thunder Spa Jets Completes 2-Pack Convenience: Includes two wheelRaypak Avia Digital Low NOx Propane Pool Heater 399K BTU RAY 15 4810 Raypak Avia digital propane pool heater delivers 399K BTU heating with low NOx emissions, smart controls, and compact installation design. Features 399,000 BTU heating output for fast pool and spa heat up. Low NOx combustion technology helps meet emissions standards. Digital control interface for precise temperature management. Automation ready design compatible with many pool