Giacomini R291 2-way piston zone valve male-male connections with tail pieces R473X221

Giacomini R291 2-way piston zone valve male-male connections with tail pieces R473X2212 way piston zone valve, male male connections with tail pieces. The R291, R292 and R292E zone valves are equipped with a piston stopper and can be of the 3 way type, equipped with an adjustable by pass, or 2 way, which generally requires the installation of a differential valve on the main circuit.

Modular manifolds with lockshield and flow meter (scale 0

- Heat exchanger for the instantaneous production of domestic hot water (only for GE556Y186/187)

• 2900 Side connections: male-male  -

• Full bore flow

• 22mm copper connection

Modular manifold with shut-off valves with manual handwheel

DN25 ID 26

• Body made of CB753S brass• Socket for dirt collection in PA12• Inner mesh in AISI304 steel with filtration level of 700µm• Connections to pipelines: 3/4” M-F• 1cm extensible fitting for boler connection• Removable magnetic insert in Neodymium• Opening/closing handle for extraordinary maintenance

EH88e auto vent pack includes:

Giacomoni R400 Valve (key) for the bonnet replacement

Double female

air vent valve and adjustable by-pass on primary side (except for the by-pass