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Bronze Body DHW Recirculation Pump. Excellent Price. Only £77.00 Ex VAT
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Bronze Body DHW Recirc Pump
Model : Bronze pump BRZPUMP-C
Energy Efficiency Index: < 0.4
Power : 230V 50Hz
Structure : Single-stage Three-speed Centrifugal Pump
Type : Circulator Pump
Application : Domestic Hot Water secondary re-circulation.
Standards : CCC, CE, GS, RoHS, ISO9001: 2000
Specifications
1) Max Head: 6 m
2) Power/Speed : 100W/III, 70W/II, 55W/I
4) Pump body material: Bronze
5) Pump body length: 130mm/180mm
6) Joint type: Screw G1
7) Joint dimensions: 1 1/2" to 1" or 3/4"
8) Max system pressure= 1.0Mpa
Installations which have a long pipe run to the final hot water tap or shower may suffer from excessive
draw-off (and therefore wastage) of water that has cooled in the pipe, before the required hot water
is available. A secondary hot water circuit with circulating pump will overcome the problem, ensuring
that no water is wasted, because hot water is immediately available even from the tap furthest from
the storage point. A standard pump would fail prematurely in this application; the pump body is
bronze so that it does not react with the regularly replenished (and therefore oxygenated) water.
The bronze pump should be installed in a return loop added to the hot water supply plumbing after
the furthest tap in the circuit. The return tapping should be into the upper third of the hot water
storage tank (in order to avoid de-stratifying the tank contents). Control methods include:
- Run the secondary re-circulation pump from the timer / programmer hot water output (least
- Run the secondary re-circulation pump on a cycle timer for short periods at intervals during
- Run the secondary re-circulation pump from the timer / programmer hot water output, in
thermostat should be adjusted to 50C below the main hot water tank thermostat. (Highest
efficiency)
All pipes should be well insulated in order to minimise heat loss.
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