Heatguard® LS2 - Heatweb
Heatguard® LS2 - Heatweb
Heatguard® LS2 - Heatweb
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Product Specification Sheet<br />
Heatguard ® <strong>LS2</strong><br />
L-pattern TMV2 thermostatic mixing valve for general purpose applications.<br />
Product Features and Benefits<br />
• Rapid fail-safe on either hot or cold supply failure.<br />
• Provides stable mixed water temperature.<br />
• Tamperproof setting adjustment.<br />
• 2in1 fittings provide protection against dirty systems via integral strainers<br />
and protection against cross-flow via check valves.<br />
• L-pattern valve is simple to install and service.<br />
aComplies with EN1111 and TMV2 Scheme<br />
HEAT260-002-03/06 P1
Heatguard ® <strong>LS2</strong><br />
Description<br />
Dimensions<br />
An L-Pattern TMV2 thermostatic mixing valve conforming<br />
to BSEN 1111 and BSEN 1287, for general purpose<br />
applications. Fitted with lockable temperature control which<br />
can be re-set. Supplied complete with strainers and check<br />
valves on body unions to allow easy access for servicing.<br />
60<br />
3/4"<br />
15mm<br />
45<br />
Product Range<br />
HEAT 260 500:<br />
Heatguard <strong>LS2</strong> 15mm 2in1<br />
145<br />
45<br />
Flow Characteristics<br />
3.5<br />
3.0<br />
2.5<br />
2.0<br />
1.5<br />
1.0<br />
0.5<br />
0 5 10 15 20 25 30<br />
FLOW RATE (LPM)<br />
PRESSURE LOSS (BAR)<br />
Materials<br />
Body:<br />
Internal components:<br />
Seals:<br />
Spring:<br />
Piston:<br />
Fittings:<br />
Strainers:<br />
Standards<br />
BSEN 1111<br />
Cast gunmetal, nickel plated<br />
DZR brass<br />
Nitrile elastomer<br />
Stainless steel<br />
Polysulfone polymer<br />
DZR brass<br />
Stainless steel<br />
Approvals<br />
WRAS Approval No 0601056<br />
Buildcert TMV2 Scheme Approval No BC181/1205<br />
Specifications<br />
Factory temperature setting: 38°C<br />
Optimum outlet temperature<br />
setting range (recommended): 38-48°C<br />
Recommended hot supply range: 55-65°C<br />
Maximum hot supply: 90°C<br />
Recommended cold supply range: 5-25°C<br />
Minimum hot to mix differential<br />
temperature: 15°C<br />
Temperature stability (nominal)<br />
@ valve outlet: ± 2°C<br />
Dynamic pressure range: 1 bar–5 bar<br />
Minimum working pressure: 0.5 bar<br />
Maximum static pressure: 10 bar<br />
Supply pressure imbalance: 1:2 max<br />
Minimum flow rate:<br />
4 lpm<br />
73<br />
144<br />
All dimensions in mm unless stated.<br />
How to Specify<br />
An WRAS and TMV2 Approved L-pattern thermostatic<br />
blending valve for hot water temperature control for general<br />
purpose applications (select appropriate range code).<br />
Guarantee<br />
All Reliance ® products undergo strict performance tests prior<br />
to despatch, and are guaranteed against faulty materials<br />
and workmanship for one year from the date of purchase.<br />
This is in addition to any statutory rights.<br />
Contacts: Sales Enquiries Technical<br />
Support<br />
Telephone: +44 (0)1386 712400 +44 (0)1386 47148<br />
Fax: +44 (0)1386 47028 +44 (0)1386 422217<br />
Reliance Water Controls®<br />
Worcester Road, Evesham,Worcestershire, WR11 4RA, UK<br />
Tel: +44 (0)1386 47148 Fax: +44 (0)1386 47028 www.rwc.co.uk<br />
HEAT260-002-03/06 P2 RWC reserves the right to make changes to the product which may affect the accuracy of information contained in this leaflet © Reliance Water Controls ® March 2006
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