You are buying a Complete Replacement 4.0KW Heater Assembly that fits a Gecko SSPA or Spa Builders Pack. This Heater Assembly includes the Tube, Element, Split nuts and Gaskets. It has a 15" length and 2" union that measure 3" inside. There are two variations of this heater and this model is used for systems that have the original heater design with removable wires or soldered tabs like pictured. Your bonding lug will get transferred from the original heater to this new one.
The pressure switch is not included with this heater. You can either reuse yours or see below for the two most common switches used by Gecko on the S-Class pack
Pressure Switch, Choice # 1: Universal Tecmark Low Voltage Pressure Switch, 1/8" Mpt, 1 Amp
Pressure Switch, Choice # 2: Universal DTEC Hot Tub and Spa Pressure Switch, Small, 1 Amp
If you have the newer style heater that has wires or pigtails soldered to the heater terminals with copper ends then this heater is not correct. We do carry that version heater here: Gecko Spa Hot Tub S-Class Heater 4.0kw w/ Pigtails, Pressure Switch and Gasket, SSPA How To Video
| Housing Configuration | Straight |
| Heater Length | 15" |
| Lead End Terminal Location | 5-3/4" |
| Threaded Tap Orientation | 12 O`Clock |
| Threaded Tap Location | 9-7/8" From Leading End |
| Kilowatts | 1.0kW, 4.0kW |
| Voltage | 115v, 230v |
| Sensor Stud Orientation | None |
| Mounting Stud Type | Fixed |
| Heater Size | 2" |
| Heater Application | Caldera, Gecko, Nordic, Dynasty, Gulf Coast Spas, Hydro Spas and others |
Watch the video for tips on how to diagnose this part. Normally on this system you will have 3 dots flashing on the topside showing a Flow Code but three dots can also mean a hi limit code if there is a tiny red light lite on the lower right of the board. If it is a hi limit code that means the heater overheated at some point and you cannot clear the three dots with the red light unless you power down and back up. Some of the causes of a hi limit code can be a stuck closed heater relay, a combination of no GFCI Breaker and a hole in the heater element shorting the element to ground and keeping it on, bad board or hi limit sensor.. The causes of 3 dots and no red light which is a Flow Code could be a stopped up filter, pump #1 not operating sometimes or at all, a faulty pressure switch not closing when it has water movement...If all systems are working with no 3 dots code but no heat you would verify incoming voltage, proper voltage to the heater and then test the heater to see if it is open... Thanks, Spa Guy
