Raypak Tube Bundle, ASME, for Models 406 and 407 | 010371F Covers and Accessories Elevate your outdoor space with

Elevate your outdoor space with The Outdoor Plus 50lb Lava Chunks (OPT-150-50)

this kit is installed as part of the fireplace gas system to switch from propane to natural gas

Fire Glass: Suggested 50 lbs (sold separately)

Lightweight and easier to handle during installation compared to traditional brick

non-linear look

Raypak Tube Bundle, ASME, for Models 406 and 407 | 010371F Covers and Accessories Elevate your outdoor space withRaypak 010371F Tube Bundle Models 406 and 407, ASME Material If the heater is leaking internally, heating inconsistently, or showing the kind of exchanger wear that makes every cycle less effective, the tube bundle is likely at the center of it. A failed bundle can leave the heater firing normally while output, efficiency, and reliability keep dropping. This tube bundle is the water carrying internal heat transfer assembly for compatible models 406