Series NA553

Boiler trim kits (with RPZ backflow preventer)

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Product Description

Boiler trim kits (with RPZ backflow preventer)
This kit includes:

  • (1) Caleffi DISCAL® air separator;
  • (1) Backflow preventer:1/2" NPT, sweat or press union;
  • (1) AutoFill™;
  • (1) Expansion tank check valve;
  • (2) Brass nipples: 3";
  • (1) NPT brass tee;
  • (1) Expansion tank.

6 configurations combining 8 boiler installation components in one box.

Drawings and specifications

Part number Connection Note
3D models
Tender text
Boiler trim kits (with RPZ backflow preventer) This kit includes:(1) Caleffi DISCAL® air separator;(1) Backflow preventer:1/2" NPT, sweat or press union;(1) AutoFill™;(1) Expansion tank check valve;(2) Brass nipples: 3";(1) NPT brass tee;(1) Expansion tank. 6 configurations combining 8 boiler installation components in one box. Connection: 1", sweat.
3D models
Tender text
Boiler trim kits (with RPZ backflow preventer) This kit includes:(1) Caleffi DISCAL® air separator;(1) Backflow preventer:1/2" NPT, sweat or press union;(1) AutoFill™;(1) Expansion tank check valve;(2) Brass nipples: 3";(1) NPT brass tee;(1) Expansion tank. 6 configurations combining 8 boiler installation components in one box. Connection: 1 1/4", sweat.
3D models
Tender text
Boiler trim kits (with RPZ backflow preventer) This kit includes:(1) Caleffi DISCAL® air separator;(1) Backflow preventer:1/2" NPT, sweat or press union;(1) AutoFill™;(1) Expansion tank check valve;(2) Brass nipples: 3";(1) NPT brass tee;(1) Expansion tank. 6 configurations combining 8 boiler installation components in one box. Connection: 1" FNPT.
3D models
Tender text
Boiler trim kits (with RPZ backflow preventer) This kit includes:(1) Caleffi DISCAL® air separator;(1) Backflow preventer:1/2" NPT, sweat or press union;(1) AutoFill™;(1) Expansion tank check valve;(2) Brass nipples: 3";(1) NPT brass tee;(1) Expansion tank. 6 configurations combining 8 boiler installation components in one box. Connection: 1 1/4" FNPT.
3D models
Tender text
Boiler trim kits (with RPZ backflow preventer) This kit includes:(1) Caleffi DISCAL® air separator;(1) Backflow preventer:1/2" NPT, sweat or press union;(1) AutoFill™;(1) Expansion tank check valve;(2) Brass nipples: 3";(1) NPT brass tee;(1) Expansion tank. 6 configurations combining 8 boiler installation components in one box. Connection: 1", press.
3D models
Tender text
Boiler trim kits (with RPZ backflow preventer) This kit includes:(1) Caleffi DISCAL® air separator;(1) Backflow preventer:1/2" NPT, sweat or press union;(1) AutoFill™;(1) Expansion tank check valve;(2) Brass nipples: 3";(1) NPT brass tee;(1) Expansion tank. 6 configurations combining 8 boiler installation components in one box. Connection: 1 1/4", press.

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