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The P35C is an energy-efficient heating boiler designed for the project market for heat and hot water. Features: compact, modular, high performance, easy installation, and low total cost of ownership. The P-Series works with the Energion M and is also compatible with other hybrid heat pumps.
Compact: 44 x 70 x 27.5 cm
Also suitable for installation in a kitchen cabinet
Modular construction: Interchangeable accessories
Stainless steel heat exchanger
iCon Automatic air vent program
Equipped with concentric flue gas (Ø60/100)
Directly connectable with compression fittings
Wide range of accessories
| Feature | Value |
|---|---|
| Brand | Atag |
| Supplier Code | TZ35B50H |
| EAN Code | 8719874612944 |
| Discount Group | 066 |
| Width | 440 mm |
| Height | 700 mm |
| Depth | 275 mm |
| Number of Phases | 1 |
| Material Quality | Other |
| Flow Connection | Compression fitting |
| Return Connection | Compression fitting |
| Nominal Voltage | 196 - 253 V |
| Frequency | 50 Hz |
| Closed Version | Yes |
| Nominal Hot Water Power | 37.1 kW |
| Nominal Load Upper Hot Water | 42.1 kW |
| Nominal Load Lower Hot Water | 37.9 kW |
| Water Heating Energy Efficiency (Nwh) | 90 % |
| SEER (Ns) under average conditions | 94 % |
| Capacity Profile | XXL |
| Energy Efficiency Class Space Heating | A |
| Energy Efficiency Class Water Heating | A |
| Nominal Diameter Hot Water | 1/2" (15 mm) |
| Supplementary Power Consumption at Full Load (ELmax) | 0.038 kW |
| Useful Heat Output at Nominal Heat Output and Operation at High Temperature (P4) | 28.3 kW |
| Useful Efficiency at Nominal Heat Output and Operation at High Temperature (n4) | 88.6 % |
| Supplementary Power Consumption in Standby Mode (Psb) | 0.004 kW |
| Standby Heat Loss (Pstby) | 0.047 kW |
| With Built-in Economizer | No |
| Energy Efficiency Space Heating | 94 % |
| Heat Exchanger Material | Stainless Steel (RVS) |
| Adjustable Heating Power | Yes |
| Nominal Diameter Cold Water | 1/2" (15 mm) |
| Minimum Flow Rate | 1.5 l/min |
| Built-in Pump Switching | Yes |
| Gas Approval VR/SV | No |
| Gas Approval NZ | No |
| Nominal Load Lower Value | 28.8 kW |
| Nominal Load Upper Value | 32 kW |
| Min. Operating Pressure | 1 bar |
| Min. Return Temperature | 20 °C |
| Max. Gas Inlet Pressure | 60 mbar |
| Hot Water Capacity at 60°C | 10 l/min |
| Built-in Weather-Dependent Controller | Yes |
| Built-in Expansion Vessel | No |
| Water Resistance at ΔT 20°C | 20 kPa |
| Nominal Power 80-60°C | 28.3 kW |
| Max. Flow Temperature (Operating Temperature) | 85 °C |
| Max. Operating Pressure | 3 bar |
| Built-in Fill/Drain Valve | No |
| Built-in Overpressure Valve | No |
| Outer Pipe Diameter Flow | 22 mm |
| Outer Pipe Diameter Return | 22 mm |
| Fuel Connection | Compression fitting |
| Outer Pipe Diameter Fuel | 15 mm |
| Air Supply Connection | Socket |
| Nominal Duct Diameter Air Supply | 100 mm |
| Flue Gas Outlet Connection | Socket |
| Outer Pipe Diameter Cold Water | 15 mm |
| Outer Pipe Diameter Hot Water | 15 mm |
| Condensate Connection | Other |
| Outer Pipe Diameter Condensate | 21.5 mm |
| Min. Gas Inlet Pressure | 20 mbar |
| Suitable for Natural Gas | Yes |
| Gas Approval VR | No |
| Cold Water Connection | Compression fitting |
| Hot Water Connection | Compression fitting |
| Nominal Duct Diameter Flue Gas Outlet | 60 mm |
| Burner Control High/Low | No |
| Modulating Burner Control | Yes |
| Outer Pipe Diameter Expansion Connection | 15 mm |
| Built-in Manometer | Yes |
| Condensing | Yes |
| Gas Approval HR | Yes |
| Pilot Flame | No |
| Second Return Connection | No |
| Control Signal On/Off | Yes |
| Control Signal High/Low | No |
| Control Signal 0-10V | No |
| Control Signal OpenTherm | Yes |
| Operation as Open Version (Air Supply) Possible | Yes |
| Nominal Power 50-30°C | 31.1 kW |
| Suitable for Propane | No |
| Suitable for Butane | No |
| Suitable for Methane | No |
| Max. Allowed Operating Pressure | 3 bar |
| Nominal Diameter Flow | 3/4" (20 mm) |
| Nominal Diameter Return | 3/4" (20 mm) |
| Nominal Diameter Fuel | 1/2" (15 mm) |
| Hot Water Stock | 0 l |
| Conversion Kit Required | No |
| Built-in Inlet Combination | No |
| Expansion Connection | Compression fitting |
| CW Label | 5 |
| Gas Approval HR | Yes |
| Gas Approval NZ | No |
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