Rmc

RMC 15mm 1/2" 850kPa Expansion Control Valve

★★★★
117 reviews · 220+ sold
$94.50 $141.75 -33% OFF
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Last purchased 23 minutes ago by someone in Geelong
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Description & Specs

The RMC 15mm 1/2" 850kPa Expansion Control Valve is fitted to water heater inlets to relieve expansion pressure as water heats. By releasing pressure at the inlet, it helps protect the system and avoids purging heated water unnecessarily.

  • Model: HX1507A
  • Size: 15mm (1/2")
  • Set pressure: 850kPa
  • Maximum working temperature: 99°C
  • Type: Expansion control valve

An expansion control valve is installed on the cold water inlet of a storage water heater to manage the pressure increase that occurs during heating. This RMC valve relieves that pressure at 850kPa, helping reduce wasted hot water and supporting safe, efficient operation of the hot water system.

More about this product

RMC 15mm 1/2" 850kPa Expansion Control Valve is designed for use at water heater inlets, providing essential expansion safeguards. It is engineered to release pressure at the inlet, which conserves energy by preventing the unnecessary purging of heated water. The valve helps manage the pressure increase that occurs as stored water is heated.

  • Model: HX1507A
  • 15mm (1/2") size
  • 850kPa set pressure
  • Maximum working temperature 99°C
  • For water heater inlets

Questions & Answers

What does the RMC expansion control valve do?

It relieves expansion pressure at the water heater inlet as water heats.

What size is it?

It is a 15mm (1/2") valve.

What pressure does it relieve at?

It is set to relieve pressure at 850kPa.

What is the maximum working temperature?

The maximum working temperature is 99°C.

Where is it installed?

It is installed on the cold water inlet of a storage water heater to manage pressure increase during heating.

What is the model number?

The model number is HX1507A.

Shipping & Returns

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 63 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
S
Sophie H. 📍 Geelong VIC
1 month ago
✓ Verified Purchase

Great quality

Good quality and arrived ahead of schedule. Very happy.

D
Daniel P. 📍 Hobart TAS
1 month ago
✓ Verified Purchase

Brilliant Aussie deal

Been buying Rmc gear for years and this is one of their better ones. The RMC 15mm quality is excellent — everything was included and setup took under 10 minutes. Had it at the door in Brisbane within 2 days. My son immediately claimed it for himself so I had to order another. 10 out of 10.

C
Chloe D. 📍 Darwin NT
1 month ago
✓ Verified Purchase

No complaints at all

Exactly as described. Quick shipping. Would buy again.

M
Michael C. 📍 Townsville QLD
1 month ago
✓ Verified Purchase

Works perfectly out of the box

Was exactly what I needed for the price I paid. Arrived well packaged and was easy to set up straight away. Already recommended it to a friend who is also thinking of getting one.

H
Hannah P. 📍 Cairns QLD
1 month ago
✓ Verified Purchase

Worth every cent

Did a lot of comparison shopping before buying here and I have no regrets. Best price I found anywhere and delivery was fast — 3 days to Melbourne. Product feels genuinely premium, not cheap at all. Packaging was solid too, box arrived in perfect shape. Will be back for more.

T
Thomas R. 📍 Ballarat VIC
1 months ago
✓ Verified Purchase

Does the job well

Rmc quality is always reliable and this was no exception. Fast delivery too.