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Self-learning optimum start for efficient preheating
it's ideal for homes wanting powerful hot water performance without an external expansion vessel—perfect for space-restricted installations
1W Cellular & Communication
Is everything needed for a G3-compliant installation included
Chemical Dosing Port
Drayton TRV4 Classic White Chrome Integral Sensing Head 07 25 006 LPG Boiler Self-learning optimum start for efficientThe Drayton TRV4 Classic Integral Sensing Head (MPN 07 25 006) is a standalone replacement or retrofit thermostatic sensing head for any TRV4 compatible valve body. Featuring Drayton's liquid filled chrome sensing element with 0. 22 mm C sensitivity, it achieves the TELL Class I energy efficiency rating the highest under the European valve manufacturers certification scheme and is approved to BS EN 215. Sold separately from the valve body, it allows
US$ 60.00
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