LK 534 ThermoFill EA®

Integrated check valve

classified as type EA

according to EN 1717

Integrated ball valve

Screw for

inspection of

check valve

Flow direction marking for

simple installation

DZR-brass

Available with 1⁄2" internal thread or

15 mm compression fittings

20

Streamline your heating system setup with the

LK 534 ThermoFill® EA. This filling valve features an

integrated shut-off and inspectable check valve for

seamless operation, even at low pressure. Certified

for backflow prevention (Type EA, fluid category 1-2),

it ensures system safety and compliance. Designed

for easy maintenance and precise installation, it's the

reliable choice for secure and efficient system filling.