Absolute Boilers 750-900-1050
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Absolute Boilers 750-900-1050
4.6 Water connection
The Absolute boiler is supplied with 2
1/2
inch NPT inlet and outlet manifolds. It is advisable to install a shut off valve
for the both the supply and return to allow removal of the boiler in the future. All water connections should be in
compliance with national and local code requirements. The boiler shall not be used as pipe anchor. The lower connection
(blue) is for the return, the upper connection (red) is the supply.
The supply connection tube has the following ports connections for:
1
2
5
8
3
4
7
6
11
10
13
1. Pressure Relief valv
2. Air Vent.
3. Flow Switch
4. Boiler Supply (2
1/2
NPT male)
5. NTC Temperature Sensor (Supply Water)
6. Low Water Cut Off
7. Temperature and Pressure Gauge
8. Aquastat (Manual Reset)
The return connection tube has the following port
connections:
9. NTC Temperature Sensor (Return Water)
10. Boiler Return 2
1/2
NPT male
11. Gas Connection Supply
12. Boiler Drain
13. Condensate Drain
9
12
