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Buffer Tank — Large-Capacity Commercial
APOLLO Stainless Buffer Tank - 175/250gal
Stabilize hydronic flow, reduce short cycling, and add thermal mass for heating or cooling systems.
Model
BF175/BF250 · 175 or 250 gal
Size
BF175
Coil
Dual Coil
$3,975
$2,78330% OFF
Shipping$676Free
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Installed in real homes and workshops
Customer Success Stories
Since installing the buffer tank, I've cut glycol costs, reduced electricity usage, and improved overall system efficiency. It keeps my home at a stable temperature overnight and even gives me peace of mind during power outages. It's like having a thermal battery that optimizes everything.
The Perfect Alternative to Natural Gas
High efficiency for heating, cooling, and hot water with low electric bills.
Product details
- Hydronic thermal mass
- SS316 construction
- Residential to commercial
- 10-year warranty
APOLLO Stainless Buffer Tank – 175 / 250 Gal (Hydronic Heat Pump Buffer)
High-capacity stainless buffer tanks designed to stabilize hydronic heat pump systems, ensuring smooth operation during low-load conditions and improving efficiency during defrost cycles. Built for durability, flexibility, and long-term performance in residential and commercial applications.
Key Benefits
- Optimized for heat pump systems to prevent temperature spikes and ensure proper shutdown
- Supports defrost cycles in winter for improved system efficiency
- Built with SS316 stainless steel for corrosion resistance and long service life
- Insulated to reduce heat loss and condensation
- Available with or without internal coils for system flexibility
Specifications
BF175 – 175 Gallon
- Volume: 175 gal
- Material: SS316 (1/16") inner tank / painted galvanized steel (1/32") outer jacket
- Insulation: 2" polyurethane foam
- Connections: NPT female
- Relief Valve: 3/4" CSA/UL rated – 125 psi / 210°F
- Dimensions: 79" height × 30" diameter
BF250 – 250 Gallon
- Volume: 250 gal
- Material: SS316 (1/16") inner tank / painted galvanized steel (1/32") outer jacket
- Insulation: 1.5" polyurethane foam
- Connections: NPT female
- Relief Valve: 3/4" CSA/UL rated – 125 psi / 210°F
- Dimensions: 85" height × 34" diameter
Additional Features
- Includes sensor well, drain valve, and pre-installed plugs for easy installation
- Max Working Pressure: 200 psi
- Warranty: 10 years
| Volume | 175 gal / 250 gal |
|---|---|
| Inner tank | SS316, 1/16 in |
| Outer jacket | Painted galvanized steel, 1/32 in |
| Insulation | 2 in (BF175) / 1½ in (BF250) |
| Configurations | Without coil (0C) or with 2 internal coils (2C) |
| Relief valve | ¾ in, CSA/UL rated 125 PSI / 210°F |
- Volume
- 175 gal / 250 gal
- Inner tank
- SS316, 1/16 in
- Outer jacket
- Painted galvanized steel, 1/32 in
- Insulation
- 2 in (BF175) / 1½ in (BF250)
- Configurations
- Without coil (0C) or with 2 internal coils (2C)
- Relief valve
- ¾ in, CSA/UL rated 125 PSI / 210°F
MBTEK Google Reviews
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