02

Resistivity   Sensor

3B

Ethernet Cable   -50 ft (replaces standare 25-ft cable)

4A

Water leaks   Alarm Option(User had choice to set alarm as critical or no-critical, signal   only)

4B

Water leaks   option(Isolation vlave input only, AOV, critical alarm only , not available   on 32mm or 40mm units)

  4C

Water leaks   option (Isolation Valves input and output, AOV, Critical Alarm only,not   available on 32mm or 40mm units)

5A

Discrete   Communications option with 25-ft cable

5B

Discrete   Communications option with 50-ft cable

6A

Analog   Communications option with 25-ft

6B

Analog   Communications option with 50-ft

7A

Dry Contact   communication option with 25-ft cable

7B

Dry Contact   communication option with 50-ft cable

08

Dry signal for   secondary process set point ( No panel mount , no interface cable)

09

Recirculation   Option

10

Power supply   from bottom of Unit

11

Lock out   Tag-out Circuit Breaker box on back of unit

12

Incoming power   conduit size increase by 1

13

Manifold for   Multiple Units

14

Embedded   Ground Wire (1 per heating coil)

15

3/4” Flare   Drain

16

Manual Valve   at In/Out

17

3/4” Pillar   Super 300 Vent Relief and Any Internal Tubing (soft) Will Have Pillar   Fittings

18

Top Mounted   Fan & Vent