Hurlcon HX & WX Insulation and Fire Bricks
Fire brick / Insulation for HX 70, HX 120, WX 70, WX 75, WX 120 gas heaters from 2001 onwards. More HX & WX Gas Spa Heater Parts Here.
These *must* be replaced once wet, cracked, burnt, etc.
HX 70 & HX 120 - Parts 21 & 22 in Diagram. Also suits WX Wilton Spa Heaters
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