Bring the warmth of the tropics or the cool of the mountains to your backyard or community swimming pool and spa. The Water Source geothermal heater unit transfers free heat from nearby wells, lakes, canals, oceans, or closed loop systems to your swimming pool.
- ThermoLink® Patented Titanium Heat Exchanger
- Best warranty in its class
- Electronic control and monitoring system
- Units with hard copper plumbing available for high pressure installations
- Attractive marine grade aluminum for strength and durability
- Super efficient scroll compressor
- Dual pool and spa thermostat standard on all models



Before building a Water Source heat pump for any application, this Build Spec questionnaire must be completed.
Specs | WS03-TT |
---|---|
Efficiency 50/70°F Source Water Temp | |
BTUs | 37,000/52,000 |
Coefficient of Performance | 5.1/6.6 |
kW Input | 2.1/2.3 |
Electrical | |
Voltage/Hz/Phase A Voltage - 208-230V/60Hz/1ph, B Voltage - 208-230V/60Hz/3ph, G Voltage - 460V/60Hz/3ph | A |
Maximum Fuse Size A Voltage - 208-230V/60Hz/1ph, B Voltage - 208-230V/60Hz/3ph, G Voltage - 460V/60Hz/3ph | A - 30 |
Minimum Circuit Ampacity A Voltage - 208-230V/60Hz/1ph, B Voltage - 208-230V/60Hz/3ph, G Voltage - 460V/60Hz/3ph | A - 18.4 |
Refrigerant | R410A |
Heat & Cool | H |
Water Flow | |
SOURCE Minimum/Maximum Water Flow (gpm) | 20/70 |
POOL/SPA Minimum/Maximum Water Flow (gpm) | 30/70 |
Physical | |
Weight (lbs) | 290 |
Length x Width x Height (in) | 32" x 37" x 32" |
Shipping | |
Weight (lbs) | 320 |
Length x Width x Height (in) | 39" x 46" x 51" |
Source Side Titanium Units
60Hz | WS03-TT | WS05-TT | WS10-TT |
---|---|---|---|
Efficiency 50/70°F Source Water Temp | |||
BTUs | 37,000/52,000 | 75,000/94,000 | 169,000/213,000 |
Coefficient of Performance | 5.1/6.6 | 4.5/5.5 | 5.0/6.3 |
kW Input | 2.1/2.3 | 4.9/5.0 | 9.9/9.9 |
Electrical | |||
Voltage/Hz/Phase A Voltage - 208-230V/60Hz/1ph, B Voltage - 208-230V/60Hz/3ph, G Voltage - 460V/60Hz/3ph | A | A, B & G | B & G |
Maximum Fuse Size A Voltage - 208-230V/60Hz/1ph, B Voltage - 208-230V/60Hz/3ph, G Voltage - 460V/60Hz/3ph | A - 30 | A - 60 B - 40 G - 20 | B -100 G - 40 |
Minimum Circuit Ampacity A Voltage - 208-230V/60Hz/1ph, B Voltage - 208-230V/60Hz/3ph, G Voltage - 460V/60Hz/3ph | A - 18.4 | A - 40.1 B - 29.0 G - 13.2 | B - 64.1 G - 28.8 |
Refrigerant | R410A | R410A | R410A |
Heat & Cool | H | H & C | H & C |
Water Flow | |||
SOURCE Minimum/Maximum Water Flow (gpm) | 20/70 | 20/70 | 30/70 |
POOL/SPA Minimum/Maximum Water Flow (gpm) | 30/70 | 30/70 | 30/70 |
Physical | |||
Weight (lbs) | 290 | 300 | 745 |
Length x Width x Height (in) | 32" x 37" x 32" | 32" x 37" x 32" | 35" x 61" x 40" |
Shipping | |||
Weight (lbs) | 320 | 330 | 805 |
Length x Width x Height (in) | 39" x 46" x 51" | 39" x 46" x 51" | 45" x 69" x 48" |
Source Side Titanium Units - 50Hz
50Hz | WS05-TT | WS10-TT |
---|---|---|
Efficiency 50/70°F (10/21.1°C) Source Water Temp | ||
BTUs | 63,000/78,000 | 141,000/178,000 |
Coefficient of Performance | 4.5/5.5 | 5.0/6.3 |
kW Input | 4.1/4.2 | 8.3/8.3 |
Electrical | ||
Voltage/Hz/Phase "H" Voltage - 220-240V/50Hz/1PH "D" Voltage - 380-420V/50Hz/3PH | H & D | D |
Maximum Fuse Size "H" Voltage - 220-240V/50Hz/1PH "D" Voltage - 380-420V/50Hz/3PH | H - 60 D - 20 | D - 40 |
Minimum Circuit Ampacity "H" Voltage - 220-240V/50Hz/1PH "D" Voltage - 380-420V/50Hz/3PH | H - 36.9 D - 13.2 | D - 27.2 |
Refrigerant | R410A | R410A |
Heat & Cool | H & C | H & C |
Water Flow | ||
SOURCE Minimum/Maximum Water Flow (m3/h) | 4.5/15.9 | 6.8/15.9 |
POOL/SPA Minimum/Maximum Water Flow (m3/h) | 6.8/15.9 | 6.8/15.9 |
SOURCE Minimum/Maximum Water Flow (gpm) | 20/70 | 30/70 |
POOL/SPA Minimum/Maximum Water Flow (gpm) | 30/70 | 30/70 |
Physical | ||
Weight (lbs) | 300 | 745 |
Length x Width x Height (in) | 32" x 37" x 32" | 35" x 61" x 40" |
Weight (kg) | 136 | 338 |
Length x Width x Height (cm) | 82 x 94 x 82 | 89 x 155 x 102 |
Shipping | ||
Weight (lbs) | 330 | 805 |
Length x Width x Height (in) | 39" x 46" x 51" | 45" x 69" x 48" |
Weight (kg) | 150 | 366 |
Length x Width x Height (cm) | 99 x 117 x 130 | 115 x 176 x 122 |