Balboa M7 1.5kw Heater Element / Tube Assy replacement - Suit GS 501

Balboa water Group 58138 heater assembly w/ 1.5kw incoloy element and SS heater tube,
2 x M7 temperature sensors included

Used on 10A systems using GS501 spa controllers and others

Used on Balboa GS and GL series spa control systems.
Can be used on BP601 and BP2100 series control systems.

Does not suit:
GS100, BP200, Revolution, Viper, Colossus series.

different to systems with pressure switches
(for those systems, use Aquatemp tefel elements of correct rating.)

Suits common models including but not limited to:
GS501z, GS510, GS520, GS523DZ, GL2000, GL8000, BP601, BP2100, BP2600

Same as b55614