Hayward HAXFHD1931 Front Header Only Replacement for Hayward H-Series Ed1 Style Pool Heaters single-use The low “dead air” space

The low “dead air” space limits re-breathing of exhaled air for increase comfort and worker productivity

Enhance cold and hot smoke seal

The earmuff cups are made of non-conductive (aka “dielectric”) material while the mental components of the headbands and the helmet attachment mechanisms are covered in non-conductive material

elastomeric sealant that cures upon exposure to the atmosphere to form a monolithic flexible firestop seal

Hayward HAXFHD1931 Front Header Only Replacement for Hayward H-Series Ed1 Style Pool Heaters single-use The low “dead air” spaceHayward HAXFHD1931 Front Header Only Replacement for Hayward H Series Ed1 Style Pool Heaters Front header only replacement Fits hayward h series millivolt electronic ed1 style pool heater models h2001, h1501, h2501 Also fits hayward h series low nox filter models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp, h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp Weighs 3 pound