By Raypak
Part # 018867F
Raypak® Natural Gas Orifice Kit – Model 404
Part No.: 018867F – For 0–4500 ft Elevations
Genuine Raypak® natural gas orifice kit designed for Model 404 pool heaters operating at elevations between 0 and 4,500 feet. This kit ensures correct fuel delivery for safe and efficient combustion.
Why this kit?
✅ Optimizes performance for natural gas heaters at standard elevations
✅ OEM precision – exact sizing for Raypak® Model 404 combustion systems
✅ Restores efficiency and proper burn characteristics
✅ Easy swap with minimal tools
Compatibility
✅ For Raypak® Model 404 natural gas pool heaters
✅ Elevation range: 0 – 4,500 ft
➜ OEM Part Number: 018867F
⚠️ For installations above 4,500 ft, use the high-altitude orifice kit specified for your heater model.
What’s included
(1) ✅ Set of natural gas orifices sized for Model 404 (0–4500 ft)
Install notes
➜ Turn off gas supply and power before servicing
➜ Remove old orifices and install new ones per Raypak® service manual
➜ Perform leak check after installation and test heater operation
⚠️ Gas-related work should be performed by a licensed professional to ensure safety and compliance with local codes
