Maintenance Free Expansion Tanks for hydronic heating
HeatWave™ Series
- Capacity: 2 - 150 liter / 0.5 - 40 gallon
- Maximum working pressure: 6 bar / 22 psi
- Factory pre-charge: varies by model
- Maximum operating temperature: 99° C / 210° F
- For non-potable water only
The HeatWave™ series hydronic expansion tanks provide quality protection for closed loop hydronic heating systems from excessive pressure due to thermal expansion.
Easy to install and featuring an incorporated hex nut connection, HeatWave™ tanks feature an air chamber sealed with a brass air valve and O-ring sealed air cap. Designed to be supported by either system piping, wall-mounted bracket (inline models) or be freestanding (vertical model with base), the HeatWave™ has a maximum working temperature of 99° C / 210° F .
As with all GWS products, these tanks are quality-tested throughout the production process to ensure their structural integrity.
Features & Benefits
- Diaphragm design
- Patented stainless steel (vertical models) or chromed steel (inline models) water connection
- Two-part polyurethane, epoxy primed paint finish
- Leak-free, O-ring sealed air valve cap
- Maintenance Free
Product Certifications
CE
Europe
KC
South Korea
Products
Inline
Vertical
Inline
| Name | Nominal Volume [l] | Nominal Volume [gal] | Net Weight [kg] | Net Weight [lbs] | Gross Weight [kg] | Gross Weight [lbs] | Height [cm] | Height [in] | Length [cm] | Length [in] | Width [cm] | hf:tax:thread |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HWB-2LX | 2 | 0.5 | 11.52 | 25.40 | 12.39 | 27.32 | 20.6 | 8.1 | 12.6 | 5 | 12.6 | bsp |
| HWB-4LX | 4 | 1.1 | 1.37 | 3.02 | 1.62 | 3.57 | 25.8 | 10.1 | 16.2 | 6.4 | 16.2 | bsp |
| HWB-8LX | 8 | 2.1 | 1.72 | 3.79 | 2.00 | 4.41 | 31 | 12.2 | 20.2 | 7.9 | 20.2 | bsp |
| HWB-12LX | 12 | 3.2 | 2.27 | 5.00 | 2.70 | 5.95 | 36.4 | 14.3 | 23 | 9.1 | 23 | bsp |
| HWB-18LX | 18 | 4.8 | 2.87 | 6.33 | 3.40 | 7.50 | 36.4 | 14.3 | 27.9 | 11 | 27.9 | bsp |
| HWB-24LX | 24 | 6.3 | 3.62 | 7.98 | 4.30 | 9.48 | 44.4 | 17.5 | 29 | 11.4 | 29 | bsp |
| HWB-35LX | 35 | 9.3 | 5.89 | 12.99 | 6.66 | 14.68 | 47.8 | 18.8 | 31.8 | 12.5 | 31.8 | bsp |
Vertical
| Name | Nominal Volume [l] | Nominal Volume [gal] | Net Weight [kg] | Net Weight [lbs] | Gross Weight [kg] | Gross Weight [lbs] | Height [cm] | Height [in] | Length [cm] | Length [in] | Width [cm] | hf:tax:thread |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HWB-60LV | 60 | 15.9 | 8.43 | 18.58 | 10.26 | 22.62 | 57.5 | 22.6 | 38.9 | 15.3 | 38.9 | bsp |
| HWB-80LV | 80 | 21.1 | 11.94 | 26.32 | 14.02 | 30.91 | 77 | 30.3 | 38.9 | 15.3 | 38.9 | bsp |
| HWB-100LV | 100 | 26.4 | 12.59 | 27.76 | 18.77 | 41.38 | 80.5 | 31.7 | 43 | 16.9 | 43 | bsp |
| HWB-130LV | 130 | 34.3 | – | – | – | – | 107.3 | 42.2 | 43 | 16.9 | 43 | bsp |
| HWB-150LV | 150 | 39.6 | 29.02 | 63.98 | 33.30 | 73.41 | 93.8 | 36.9 | 53 | 20.9 | 53 | bsp |
