INSTALLATION AND OPERATION INSTRUCTIONS
1-12
HC SERIES BOILERS HC 13-50, HC 23-84, HC 29-106, HC 33-124, HC 20-125, HC 33-160
CONCENTRIC SIDE WALL TERMINATION KITS:
Must be installed on the same horizontal line (not stacked)
Must be installed with a min separation of 12” center to center
Use caution when installing Concentric Side Wall Termination Kits when the outdoor
design temperature is below 5°F / -15°C. Possible blockage of the combustion air
intake increases when the outdoor temperature drops below this temperature.
The clearances recommended by the vent termination manufacture must be
followed.
Approved Concentric Side Wall Termination Kits are listed as follows: (Alternate
vent termination kits must be submitted to IBC for approval prior to installation.)
• Duravent – Polypro #3PPS-HK – Horizontal Termination Kit – Concentric
• Centrotherm – Innoue #ICWT242 (2" termination) + ICTC0224 (2" transition
to 2 pipe)
• Centrotherm – Innoue #ICWT352 (3" termination) + ICTC0335 (3" transition
to 2 pipe)
• Ipex - # 197009 – 3" CPVC
• Ipex - # 196006 – 3” PVC (USA only)
VENT TERMINAL CLEARANCE MINIMUMS ARE AS FOLLOWS:
CANADIAN
INSTALLATIONS
1
US INSTALLATIONS
2
A= Clearance above grade,
veranda, porch, deck, or
balcony
12 in (30 cm) 12 in (30 cm)
B= Clearance to window or
door that may be opened
6 in (15 cm) for appliances
≤ 10,000 Btuh (3 kW), 12
in (30 cm) for appliances >
10,000 Btuh (3 kW) and ≤
100,000 Btuh (30 kW), 36
in (91 cm) for appliances
≤100,000 Btuh (30 kW)
6 in (15 cm) for appliances
≤ 10,000 Btuh (3 kW), 9 in
(23 cm) for appliances >
10,000 Btuh (3 kW) and ≤
50,000 Btuh (15 kW), 12
in (30 cm) for appliances >
50,000 Btuh (15 kW)
C= Clearance to window or
door that may be opened
* *
D= Clearance to
permanently closed window
* *
Figure 12: Prohibited installation
Figure 11: IBC recommended
minimum vent terminal clearance
under ventilated soft
Figure 13: Sidewall vent termination - multiple vent piping conguration
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