Delta Pro...

High Efficiency Range

Floor standing combination
boiler. Offers exceptional heating
and hot water performance.
Available in Gas, Oil and Propane.

Benefits
The Delta Pro is reliable, economical and easy to use and maintain. It is also oil, natural gas or propane compatible. The Delta Pro offers versatility and convenience.

Product Features
• High performance low-cost combined boiler and water heater
• Stainless steel Tank-in-Tank design
• Choice of burner:
- Low-NOx premix gas or LPG (BG2000-S)
- Pressure jet natural gas or LPG (Riello)
- Pressure jet 28 sec or 35 sec oil (Riello)
• Anti-Legionellae: hot water stored at consistently high temperature
• Fully insulated with rigid polyurethane foam
• Stove enamelled casing
• Control panel including thermostats, thermometer, indicators and on/off switch
• 22 to 62 kW output (oil) or 22 to 49 kW (gas)
• Can be used in battery formation for high output installations
• Vented or unvented use, with mains pressure System Packs available
• Primary heating sealed system kits also available

BG 2000-S

Low NOx air/gas premix burners are outstanding not only for their eco-friendly design but also for their incredibly silent operation. They are fitted with automatic ignition and an ionisation flame detector.

Dimensions

Technical Data	Delta Pro
		Delta 25	Delta 45	Delta 55
Input	kW	27.9	50.0	61.0
Output	kW	26	45	55
Primary capacity	L	83	62.5	68
Total capacity	L	158	127.5	151
Heating surface area	m²	1.59	1.99	2.46
Flue circuit pressure drop	mbar	0.25	0.30	0.45
DHW connection (male BSP)	Æ	3/4"	3/4"	3/4"
Primary connection (female BSP)	Æ	1"	1"	1"
Flue connection	Æ	100mm	100mm	100mm
Weight empty	kg	145	168	200

Performance Data	PRO	25	45	55

Litres in first 10 minutes	40°C	268	316	362
Litres in first 10 minutes	45°C	202	275	348
Litres in first 10 minutes	60°C	117	161	209
Litres in first hour	40°C	806	1284	1533
Litres in first hour	45°C	672	911	1156
Litres in first hour	60°C	384	549	689
Continuous flow 40°C	Ltrs/hr	645	1161	1405
Continuous flow 45°C	Ltrs/hr	564	763	970
Continuous flow 60°C	Ltrs/hr	320	465	576
Initial heat up time 60°C	min	32	16	16

1. Flue reduction Collar
2. Rigid polyurethane foam insulation
3. PVCC dip tube with cold water diffuser
4. Thermostat pocket
5. Burner plate with fibre insulation
6. 95*C cut off thermostat & manual safety reset
7. Flue tubes
8. Turbulators
9. Stainless Steel Tank-in-Tank hot water cylinder
10. Primary circuit (heating)
11. Combustion chamber
12. Boiler base
13. Heating flow
14. Heating return
15. Domestic hot water outlet
16. Domestic cold water outlet
17. 6 Bar Expansion relief valve
18. Primary heating safety valve 3 Bar
19. Flue connection 100mm (Conventional flue)
20. Primary drain down valve

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