Hydro-Quip Gatsby 4.0kW LowFlow Heater [6.469"x3"] [240v] (28-E0300-5T-K) brettaqualine The built-in GFCI and timer

The built-in GFCI and timer configuration also make it an especially specific replacement choice

and this Hayward manual version is designed for Swim-Clear and Pro-Grid applications from 2007 forward using the DEX2420MAR2 reference

This type of part is especially useful when the broader filter assembly remains serviceable and the issue is centered on the cartridge element itself

not just the parts inside it

Supports faster and more controlled service work

Hydro-Quip Gatsby 4.0kW LowFlow Heater [6.469"x3"] [240v] (28-E0300-5T-K) brettaqualine The built-in GFCI and timerThe Hydro Quip Gatsby LowFlow heater is designed for compatible low flow heating applications where a compact 6. 469 inch by 3 inch 230 volt heater with 4. 0 kW output is required. A low flow heater is useful because it supports systems that operate with reduced circulation while still delivering dependable heating in a form matched to the supported design. This version is especially useful when the original installation depends on the Gatsby low flow