The FT Series Floor Standing, Combination Boiler
Page 43
CAUTION
PRV (included) must be installed immediately at the
top of boiler outlet to PRV, with no valves between.
Refer to Section 4.15
__________________________________________
ATTENTION
PRV (inclus) doit être installé immédiatement en haut
de la chaudière sortie de PRV, sans les vannes entre.
Se reporter à la Section 4.15
__________________________________________
Auto Fill Valve
and Backflow
Preventer Valves are
NOT included (Field
Supplied).
(CH SUPPLY)
3/4" PIPE
(DHW OUTLET)
Backflow
preventer
3/4" PIPE
(DHW INLET)
(CH RETURN)
(DHW SUPPLY)
Circulation pump
Flow Check valve
Expansion tank
Air separator
Diaphragm Type
Pressure relief valve
Ball valve
Isolation valve
PRIMARY LOOP
(SPACE HEATING)
1”
Min
Piping
Do not
exceed
12"
See
Note
Anti-scald rated
Mixing Valve
ZONE 1
ZONE 2
ZONE 3
SECONDARY LOOP
(SPACE HEATING)
CAUTION
Scalding Risk: Manufacturer
strongly recommends the
use of an anti-scald mixing
valve at domestic hot water
outlet (boiler location) to
reduce potential for scalding.
Contact Manufacturer for
recommended models.
Check with local
codes.
__________________________________________
(CH SUPPLY)
3/4" PIPE
(DHW OUTLET)
Backflow
preventer
3/4" PIPE
(DHW INLET)
(CH RETURN)
(DHW SUPPLY)
Circulation pump
Flow Check valve
Expansion tank
Air separator
Diaphragm Type
Pressure relief valve
Ball valve
Isolation valve
PRIMARY LOOP
(SPACE HEATING)
1”
Min
Piping
Do not
exceed
12"
See
Note
Anti-scald rated
Mixing Valve
ZONE 1
ZONE 2
ZONE 3
SECONDARY LOOP
(SPACE HEATING)
4.14 Plumbing Guidelines (continued)
