Instruction manual
32
4.8 Water Connections for Model BTS
Each heater contains a kit of accessories to help the installer make the water connections.
An example of these connections and all the accessories supplied with the heater is shown
on the drawing below:
1) Ball valve (not provided)
2) Domestic hot water flow selector
3) Mixing valve (not provided)
4) ASME T-P relief valve (not
provided)
5) Connections (not provided)
6) By-pass valve (not provided)
7) Domestic drain cock (not
provided)
8) ASME pressure relief valve
9) Heating drain cock (not provided)
10) Domestic Hot water connections
11) Domestic Cold water
connections
12) Heating Supply connections
13) Heating Return connections
14) 1" Gasket
15) 1/2" to 1" Nipple
16) 1" Nipple
17) 1/2" Gasket
18) 1/2" Nipple (not provided)
19) Line voltage cable (not provided)
20) Fitting for block cable
21) Hot water outlet
22) Cold water inlet
23) Gas supply
24) Central heating supply
25) Central heating return