Full catalogue / PE-RT floor heating systems

LESSO · ARMENIA

PE-RT floor heating systems

LESSO HVAC Pipes and Fittings

Explore individual product photographs, size variants and technical data directly on this page.

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Product families

The range includes the following product families. Dimensions and operating limits depend on the selected series and product configuration.

PE-RT underfloor heating pipe
Oxygen barrier PE-RT pipe
Coupling and elbow
Threaded adapter
Manifold connection fittings
Underfloor heating installation accessories

Technical specifications

Parameter	Value
Material	PE-RT
Application	ISO 22391

Product photographs (408)

Product specifications and model tables

Product photos and model tables are shown below.

PE-RT I floor heating pipe

SAP code	Series	Pressure at 20 °C (MPa)	Diameter (mm)	Wall thickness (mm)	Length (m)
8090010105	S5	1.25	20	1.9	100
8090010192	S5	1.25	25	2.3	100
8090010198	S5	1.25	32	2.9	100
8090010013	S4	1.6	20	2.3	100
8090010094	S4	1.6	25	2.8	100
8090010099	S4	1.6	32	3.6	100
8090010002	S3.2	2	20	2.8	100
8090010010	S3.2	2	25	3.5	100
8090010012	S3.2	2	32	4.4	100

PE-RT I with oxygen barrier

SAP code	Series	Pressure at 20 °C (MPa)	Diameter (mm)	Wall thickness (mm)	Length (m)
8090050006	S5	1.25	20	1.9	100
8090050008	S5	1.25	25	2.3	100
8090050004	S4	1.6	20	2.3	100
8090050005	S4	1.6	25	2.8	100

Nominal wall thickness excludes the barrier and adhesive layers.

PE-RT II water pipe · gray

SAP code	Series	Pressure at 20 °C (MPa)	Diameter (mm)	Wall thickness (mm)	Length (m)
8010370021	S5	1.25	20	1.9	4
8010370019	S5	1.25	20	1.9	100
8010370023	S5	1.25	25	2.3	4
8010370022	S5	1.25	25	2.3	100
8010370028	S5	1.25	32	2.9	4
8010370024	S5	1.25	32	2.9	100
8010370015	S4	1.6	20	2.3	4
8010370013	S4	1.6	20	2.3	100
8010370017	S4	1.6	25	2.8	4
8010370016	S4	1.6	25	2.8	100
8010370018	S4	1.6	32	3.6	100
8010370008	S3.2	2	20	2.8	4
8010370006	S3.2	2	20	2.8	100
8010370011	S3.2	2	25	3.5	4
8010370009	S3.2	2	25	3.5	100
8010370012	S3.2	2	32	4.4	100

The listed nominal pressures apply to water at 20 °C.

Additional fitting and manifold models

Listed dimensions follow the manufacturer catalogue. A dash means the source field is blank.

PE-RT I · Coupling

SAP code	Size / model
8090020194	20
8090020195	25
8090020196	32

PE-RT I ·Reducer

SAP code	Size / model
—	25×16
8090020188	25×20
—	32×16
8090020189	32×20
8090020190	32×25

PE-RT I ·45° elbow

SAP code	Size / model
8090020001	20
8090020002	25
8090020003	32

PE-RT I ·90° elbow

SAP code	Size / model
8090020007	20
8090020008	25
8090020009	32

PE-RT I ·90° reducing elbow

SAP code	Size / model
8090020294	25×20
8090020524	32×20
8090020525	32×25

PE-RT I ·Tee

SAP code	Size / model
8090020082	20
8090020083	25
8090020084	32

PE-RT I ·Reducing tee

SAP code	Size / model
8090020480	20×25×20
8090020085	25×20
8090020481	25×20×20
8090020086	32×20
8090020087	32×25

PE-RT I ·Cross

SAP code	Size / model
8090020526	20
8090020527	25
8090020528	32

PE-RT I ·End cap

SAP code	Size / model
8090020014	20
8090020015	25
8090020016	32

PE-RT I ·Pipe clamp

SAP code	Size / model
8090020452	20
8090020453	25
8090020454	32

PE-RT I ·Male threaded plug

SAP code	Size / model
8010071109	1/2″
8010071110	3/4″
8010071108	1″

PE-RT I ·Bending pipe

SAP code	Size / model
8090020201	20
8090020202	25
8090020326	32

PE-RT I ·Female threaded adapter

SAP code	Size / model
8090020071	20×1/2″
8090020208	20×3/4″
8090020478	25×1/2″
8090020072	25×3/4″
8090020479	32×1/2″
8090020074	32×3/4″
8090020073	32×1″

PE-RT I ·Male threaded adapter

SAP code	Size / model
8090020175	20×1/2″
8090020176	20×3/4″
8090020522	25×1/2″
8090020177	25×3/4″
8090020523	32×1/2″
8090020179	32×3/4″
8090020178	32×1″

PE-RT I ·Female threaded elbow

SAP code	Size / model
8090020068	20×1/2″
8010022289	20×3/4″
8090020207	25×1/2″
8090020069	25×3/4″
8010022290	32×1/2″
8010022291	32×3/4″
8090020070	32×1″

PE-RT I ·Male threaded elbow

SAP code	Size / model
8090020171	20×1/2″
8090020172	20×3/4″
8090020520	25×1/2″
8090020173	25×3/4″
8090020521	32×1/2″
8090020646	32×3/4″
8090020174	32×1″

PE-RT I ·Wall plate female threaded elbow

SAP code	Size / model
8090020556	20×1/2″
8090020557	20×3/4″
8090020558	25×1/2″
8090020559	25×3/4″

PE-RT I ·Wall plate male threaded elbow

SAP code	Size / model
8090020560	20×1/2″
8090020561	20×3/4″
8090020562	25×1/2″
8090020563	25×3/4″

PE-RT I ·Female threaded tee

SAP code	Size / model
8090020295	20×1/2″
8090020488	20×3/4″
8090020489	25×1/2″
8090020490	25×3/4″
8090020922	32×1/2″
8090020492	32×3/4″
8090020491	32×1″

PE-RT I ·Male threaded tee

SAP code	Size / model
8090020482	20×1/2″
8090020483	20×3/4″
8090020484	25×1/2″
8090020234	25×3/4″
8090020486	32×1/2″
8090020487	32×3/4″
8090020485	32×1″

PE-RT I ·Female threaded union

SAP code	Size / model
8090020061	20×1/2″
8090020062	25×3/4″
8090020477	25×1″
8090020064	32×3/4″
8090020063	32×1″

PE-RT I ·Male threaded union

SAP code	Size / model
8090020164	20×1/2″
8090020166	25×3/4″
8090020165	25×1″
8090020519	32×3/4″
8090020167	32×1″

PE-RT I ·Flexible joint

SAP code	Size / model
8090020470	20×1/2″
8090020471	20×3/4″
8090020472	25×1/2″
8090020473	25×3/4″
8090020474	32×1″

PE-RT I ·Flexible elbow joint

SAP code	Size / model
8090020203	20×1/2″

PE-RT I ·Ball valve

SAP code	Size / model
8090020288	20
8090020468	25
8090020469	32

PE-RT I ·Double union ball valve

SAP code	Size / model
8090020057	20
8090020058	25
8090020059	32

PE-RT I ·Female threaded union ball valve

SAP code	Size / model
8090020054	20×1/2″
8090020055	25×3/4″
8090020056	32×1″

PE-RT I ·Male threaded union ball valve

SAP code	Size / model
8090020051	20×1/2″
8090020052	25×3/4″
8090020053	32×1″

PE-RT I ·Extended threaded ball valve

SAP code	Size / model
8090020554	25×1″
8090020555	32×1″

PE-RT I ·Extended ball valve with strainer

SAP code	Size / model
8090020204	32×1″

PE-RT I ·Brass manifold

SAP code	Size / model
8090020220	2 outlets
8090020221	3 outlets
8090020253	4 outlets

PE-RT I ·Automatic air vent for manifold

SAP code	Size / model
—	1″

PE-RT I ·Strainer

SAP code	Size / model
8090020553	1″

PE-RT I ·Double wall plate female threaded elbow

SAP code	Size / model
8090020321	20×1/2″

PE-RT I ·Stop valve

SAP code	Size / model
8090020206	20
8090020060	25
8090020235	32

PE-RT I ·Concealed valve

SAP code	Size / model
8090020530	20

PE-RT I ·Tee ball valve

SAP code	Size / model
8090020493	25

PE-RT I ·Pipe bending sleeve

SAP code	Size / model
8090020741	20
8090020327	16

PE-RT I ·Water temperature control valve

SAP code	Size / model
8090020531	DN25

PE-RT I ·Manual temperature control tee valve

SAP code	Size / model
8090020494	DN20

PE-RT I ·PP-R / PE-RT transition union

SAP code	Size / model
8090020742	20
8090020743	25
8090020744	32

PE-RT I ·PE / PE-RT transition union

SAP code	Size / model
—	20
—	25
—	32

PE-RT I ·Lockable ball valve

SAP code	Size / model
8090020450	20
8090020451	25

PE-RT I ·Lockable valve key

SAP code	Size / model
8090020538	TypeF

PE-RT I ·Return-water temperature control valve

SAP code	Size / model
8090020475	3/4″×200
8090020476	3/4″×250

PE-RT I ·Pipe U-bolt

SAP code	Size / model
8090020754	16
8090020755	20

PE-RT I ·Temperature controller

SAP code	Size / model
8090020839	LS-805RH

PE-RT I ·Electric actuator

SAP code	Size / model
8090020840	LS-36

PE-RT I ·Underfloor heating pipe clips

SAP code	Size / model
8090020762	16
8090020753	20