
The RMC 15mm 1200kPa Expansion Control Valve is designed to manage excess pressure in pressurised, unvented water heater systems. It works by relieving excess pressure to the drain line, helping keep the system at safe operating pressure.
This expansion control valve is a key component for maintaining the right pressure in unvented hot water systems, relieving excess pressure to the drain line to help prevent overpressure. It is suitable for both horizontal and vertical installations, so it can be fitted to suit the system layout.
RMC 15mm 1200kPa Expansion Control Valve is designed to manage excess pressure in unvented water heater systems.
It is a component for maintaining pressure levels in pressurised, unvented water heater systems, functioning by relieving excess pressure to the drain line to help prevent overpressure. It is suitable for both horizontal and vertical installations.
It is rated at 1200kPa.
It is a 15mm valve.
It manages excess pressure in unvented water heater systems by relieving it to the drain line.
It suits pressurised, unvented water heater systems.
Yes, it is suitable for both horizontal and vertical installations.
Great value for money
Spent a while looking for the right RMC 15mm and this kept coming up as the best value. I can see why — quality is impressive for the price. Delivery took just 2 days to Townsville which is great. Packaging was solid and everything intact. My partner and I both use it daily now. Highly recommended.
One of my best online buys
Quality product at a fair price. Delivered quickly. Happy.
Happy with SuperSaver AU
Have bought RWC – RMC Valves before and always been happy. Great price on SuperSaver AU and delivery was fast. Arrived perfectly packaged. Works flawlessly from day one.
Fast delivery and perfect condition
Fast delivery and exactly what I ordered. Very happy with this.
Outstanding value
Bought this on a bit of an impulse after seeing it on the site and really glad I did. Quality is much better than the price suggests — feels premium and well made. Ordered Monday and it arrived Wednesday in Sydney. Nothing loose or damaged. A few people have asked where I got it.
Good buy — fast shipping
Really good value — compared it to similar products at twice the price and there is very little difference in quality. Fast shipping and arrived in perfect condition.

