Products - Ecolite 24V Wall Convectors
Product Specifications

Ecolite 24V Wall Convectors - LST/TST
ISAN by Siwa’s 24VDC fan assisted convector is simliar to the LSK/TSK but with a boosted output using a 24VDC fan.

Ecolite 24V Wall Convectors - LST/TST
Features
- 24V DC Fan Heating only (For no fan, click here)
- 3/4″ NPT
- Dust repellent coated heat exchanger
- Same end S/R connections as standard (Opposite end available)
- Customizable grille inlets/outlets
- Sharp or rounded corners
- Wall mounted (For floor mounted convectors click here)
Performance
- Max output at 140/120/65°F: 3,500 BTUh/ft
Dimensions
- Height Range: 19.8 to23.5″
- Width Range: 5″ to 7″
- Max length/unit: 102″ (8.5′)
Dowloads
Click to download PDF
Common Applications
Ecolite 24V Wall Convectors - LST/TST
Polar by Siwa’s PDWA fan coil is designed as a supplementary source of cooling + heating capacities at static pressures below 0.25″. They are cost-effective & easy to install.
Being extremely quiet (tested sound data), having thin profile(7.8″) with ducted capabilities, these units are ideal for hideaway ceiling concealed installations especially in buildings with tight ceiling heights. Perfect choice for retrofits and new builds.
PDWA fan coils advantages :
- 300 psi operating pressure. Tested to 500 psi.
- Low profile
- Customization ability
- Control versatility (BMS or standalone)
- High CFM
- Easy to install and duct
- Suitable for low water temperatures during heating
Add on options:
- Standalone control systems with thermostats
- Valves
- MERV 8 filters
- Stainless steel drain pans
- Sound insulation
- Thermostats

Batavia Place - Condo
SIWA References
This condo project features Polar air‘s low-profile, ducted 2-pipe fan coils (PDWAs), selected for their efficiency and compact design to meet the building’s heating and cooling needs.
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