In this guide
Straight radiator valves are generally the right pattern to consider when your pipework rises from the floor and meets a radiator with bottom-facing valve connections. Their body keeps the pipe connection and radiator-tail connection in line, giving you a direct vertical route into the underside of the radiator. That makes them a clear starting point for many floor-fed installations, provided the individual valve drawing matches your layout.
When a straight valve layout makes sense
The key question is not simply whether your pipes come from the floor. It is whether the pipe approach and the radiator connection can meet on the same axis without forcing either into position. If the pipe rises vertically and the valve connection faces downwards, a straight body may suit the route well. Check the exact product drawing before ordering, as the body shape and connection directions can vary between ranges.
Straight versus angled radiator valves
The difference between straight and angled radiator valves is the route through the body. A straight valve keeps the connection inline. An angled valve changes direction. For a broader look at valve patterns and control choices, see our Radiator Valves range. Use the pipe approach, radiator connection and the turn your layout needs to decide, rather than relying on the name alone.
Other layouts can still need a straight valve
Floor-fed, bottom-entry radiators are the usual example, but they are not the only possible application. You may have another layout where the pipework and radiator connection line up. Treat that as an individual check rather than an assumption. Look at the product drawing alongside the radiator connection, the pipe route and the room around the valve before choosing a body pattern.
Check the space and the control type
Leave enough room for the valve body and for the control to be operated comfortably. Skirting, walls, furniture, the position of the pipe and the underside of the radiator can all affect the practical choice. The valve pattern and the control type are separate decisions, so also confirm whether the product has the manual or thermostatic control arrangement you need. Our Radiator Valves Explained - The Ultimate Guide can help if you need wider context before narrowing down the layout.
What to verify before ordering
- Where the pipe approaches the valve.
- That the radiator accepts a bottom valve connection.
- Whether the pipe and valve connection remain inline.
- Clearance around the body and operating head.
- The control type and the individual product specification.
If any part of the existing pipework needs to be altered, take suitable professional advice. Changing or fitting a radiator valve can involve system isolation, draining or pipework work, and this selection guide is not a replacement for an installation assessment. For the next practical stage, read How To Install a Radiator Valve.
Choose the right straight valve for your layout
Once you have confirmed the route is inline, you can browse our Straight Radiator Valves collection with a clear idea of what to check. Compare each product’s drawing and specification against your radiator, pipework and available space before making the final choice.