3/4"DirectConWtrHtrKitASSE1017

3/4"DirectConWtrHtrKit LoLead

1"CAST IRON AIR PURGER

1.25"NPT AIR PURGE

1.5" Air Purger

Air Pressure Switch, 1/4" Quick Connect, 0.17" ± .05" Water Column to 5" Water Column, 1/4" and 5/16" Bartbed Connections, SPDT, 1/2 Psi Maximum Operating Pressure

Air Pressure Switch, .05"-12"w.c., Single Pole Double Throw, Compression Fittings

Air Flow Switch, .05-12" w.c. , Single Pole Double Throw, Barbed Fittings

Air Flow Switch, .3-12" w.c. , Single Pole Single Throw, Compression Fittings

Boiler Control Panel, 4 Zone, Dip Switches, Used with AQ1000 2 Wire Thermostats, 30 Second Boiler Heat Post Purge, 24 Vac R-C Input, Low Voltage B-B Communication Bus Terminals, Low Voltage Zone Module Thermostat Input, 120-240 Vac ZR-ZC Contact Rating, Wire Clamp Screw Terminals, Expandable to 16 Zones