During this time, the valve can be opened completely to reduce battery consumption. HOW? Select "MENU" to activate manual mode, turn thumb wheel clockwise until "ON" appears. To revert back select "MENU" and switch back to auto or turn the thumb wheel anticlockwise. Valve closing Pegler Terrier Manual Radiator Valve 10mm Chrome Angle Drain Off 367 CPDLS 601058 . Part No : 601056 . Manufacturer ID : 601056 . Collect in Store. Delivery. QTY: − + Add to Basket. Add to Wish List Add to Compare. Skip to the end of the images gallery The thermostatic valve head goes on top of the valve body. And as the room temperature changes, the valve head expands, adjusting a pin in the valve body so that it opens or closes. Expansion as the room heats blocks the valve body to receive less hot water into the radiator. Contraction as the room cools opens the valve body to receive more Meaning the width of the connections, measured in millimetres. 15mm valves are the only size you're likely to encounter, since 15mm copper pipes are the most common. There are also other sizes, from 8mm to 28mm, and there are accompanying adapters. But for more information check out our in-depth radiator valve sizing guide. Terrier TRV Sensor Only. Reference 850685. Thermostatic radiator valves. Add to cart. Quantity: €16.94. tax incl. Add to wishlist. Removing the old TRV: Now that the system is completely drained down, at least above where you are working, you can remove the radiator valve which could either be one of the lockshield valves if there are two, or the old TRV. Put a towel under the valve that you are working on to catch any water which will drip as you undo the valve. There are many different types of radiators valves, the most common of which are thermostatic radiator valves (known as TRVs) and manual valves (often referred to as lockshield and wheelhead valves). Each PHC branch stocks a large range of TRVs and manual radiator valves from manufacturers including Danfoss, Honeywell, Drayton, Pegler Terrier The Terrier manual radiator valve selection includes all chrome and decorative radiator valves. All Terrier manual radiator valves are available in angle and straight pattern bodies allowing complete flexibility when aligning against pipe or radiator. Decorative thermostatic radiator valves The all chrome Terrier thermostatic radiator valve Radiator Valves can be manual or have a TRV (a thermostatic radiator valve). Terrier Angled Radiator Valve Chrome Plated Lockshield 8mm 367CPLS 601032 Terrier is the UK's market leading brand of radiator valves, with a pedigree which is second to none. Highly trusted and respected, the comprehensive range of design led products Thermostatic Radiator Valves Terrier Terrier Decorative Chrome Angled Thermostatic TRV & Lockshield 15mm x ½" (4899G) View reviews (12) Be the first to ask a question. White and chrome finish. Bi-directional for installation flexibility. Double O-ring seal for enhanced reliability. Low hysteresis ensures rapid response to change in temperature. i30 i-temp terrier bought on-line from e-on for £25.20 all-in on 2012-11-10, arrived 2012-11-15, took under 30 minutes to program and fit in our daughter's bedroom, even with some false starts! This programmable Thermostatic Radiator Valve (TRV), AKA "electronic TRV" ie eTRV AKA Programmable Radiator Control (PRC), has the primary feature that