EX 700 EX 850
Maximum equivalent vent length Each side (Vent & Air Intake)) (Natural
Gas or Propane)
Air intake options: either direct vent or indoor supply
120' 120'
*These alternative relief valves can be purchased: 30, 100, 125 and 150.
Table 1 Specifications
Connection specifications
The following table displays the required connection specifications for each model.
Flue Outlet 6" Schedule 40
Combustion Air Inlet 4" Schedule 40
Water Outlet 2½" NPT-M
Water Inlet 2½" NPT-M
Knock-outs (8) ½"
Gas Inlet 1" NPT-F
Condensate Outlet ¾" Hose
Table 2 Connections
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