73790-PDR Titanium Heater, 1.5kW/6kW (Factory Upgrade Replacement)

Use this kit if you're replacing your original No-Fault® 5500 or No Fault 1500 Cartridge Style heater on a 1995-1996 Hot Spring or Tiger River spa. Click the "More Info" button for details.

This heater cord adapter may be needed when replacing a No-Fault 1500 cartridge heater with a new PDR Heater Assembly in a 1995-1996 Hot Spring 15volt spa model. This adapter is attached to the end of the new PDR heater's power cord to enable it to plug into your spa's control box. A Heater Retrofit Kit may also be required.

This heater cord adapter may be needed when replacing a No-Fault 1500 cartridge heater with a new PDR Heater Assembly in a 1995-1996 Tiger River Manora or Tondi spa model. This adapter is attached to the end of the new PDR heater's power cord to enable it to plug into your spa's control box. A Heater Retrofit Kit may also be required.

This heater cord adapter may be needed when replacing a No-Fault 5500 cartridge heater with a new PDR Heater Assembly in a 1995-1996 Hot Spring 230volt wired spa model. This adapter is attached to the end of the new PDR heater's power cord to enable it to plug into your spa's control box. A Heater Retrofit Kit may also be required.

This heater cord adapter may be needed when replacing a No-Fault 5500 cartridge heater with a new PDR Heater Assembly in a 1995-1996 Tiger River 230volt wired spa model. This adapter is attached to the end of the new PDR heater's power cord to enable it to plug into your spa's control box. A Heater Retrofit Kit may also be required.

This jumper is used to bypass the pressure switch on the 2002-forward IQ 2020 control box. The PDR Titanium Replacement Heater has its own automatic cut-off in the event of a low flow condition thus negating the need for a pressure switch. After installing the PDR heater simply plug this bypass jumper into the port on the IQ 2020 Control Box that's marked "Pressure Switch". That's it!

3/4" spring clamp (aka wire clamp) is used to secure the 3/4 inch vinyl tubing (70315) to various components.

Note: Wear eye protection when squeezing these little rascals. Service techs typically use either needle nose pliers or hose clamp pliers to squeeze then slide this spring clamp onto the vinyl tubing.

This control thermostat thermistor sensor detects the spa waters temperature and relays that information back to the system. It simply screws into the No Fault Heater Housing (hand tight only) and plugs into the outside of the spa's control box. If your existing thermistor plugs directly onto the main circuit board (motherboard) inside the IQ2020 control box, then use item 39205. Always replace thermistors in pairs ( ie; 38415 & 38416 ). Click the "More Info" button for details.

Replaces the obsolete 39530

Newly designed. This control thermostat thermistor is a safety device designed to communicate with the system to shut down the heater if the water temperature exiting your heater exceeds 118 degrees F. It simply screws into the No Fault Heater Housing (hand tight only) and then plugs directly onto the motherboard inside the IQ 2020 control box. (If your existing thermistor plugs into the outside of the spa's control box see item 38415). Always replace thermistors in pairs (ie; 39204 & 39205 ). Click the "More Info" button for details. Click the "More Info" button for details.

This high-limit thermistor sensor is a safety device designed to communicate with the system to shut down the heater if the water temperature exiting your heater exceeds 118 degrees F. It simply screws into the No Fault Heater Housing (hand tight only) and then plugs into the outside of the spa's control box. If your existing thermistor plugs directly onto the main circuit board (motherboard) inside the IQ2020 control box, then use item 39204.  Always replace thermistors in pairs (ie; 38415 & 38416). Click the "More Info" button for details.

Newly designed. This high-limit thermistor sensor is a safety device designed to communicate with the system to shut down the heater if the water temperature exiting your heater exceeds 118 degrees F. It simply screws into the No Fault Heater Housing (hand tight only) and then plugs directly onto the motherboard inside the IQ 2020 control box. (If your existing thermistor plugs into the side of the spa's control box see item 38416). Always replace thermistors in pairs (ie; 39204 & 39205 ). Click the "More Info" button for details.