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The Caleffi Multibloc Cold Water Control Valve 533112CST is a high-performance pressure reducing and relief valve designed for unvented hot water cylinders. Featuring a 3.0 bar pressure reducing setting and a 6.0 bar pressure relief setting, it ensures optimal water pressure management and safety. Constructed with durable 22mm copper connections and certified to CE, RoHS, and EN standards, this valve offers reliable, easy-to-install performance trusted by professionals.
| Asin | B07SPFB6CK |
| Best Sellers Rank | 13,817 in DIY & Tools (See Top 100 in DIY & Tools) 82 in Central Heating System Accessories |
| Brand | Caleffi |
| Connector Type | Compression |
| Customer Reviews | 4.7 4.7 out of 5 stars (167) 4.7 out of 5 stars |
| Exterior Finish | Copper |
| Inlet Connection Size | 0.5 Inches |
| Inlet Connection Type | Cutting Ring |
| Manufacturer | Caleffi |
| Material | Copper |
| Maximum Pressure | 6 Bars |
| Model Number | 533112CST |
| Number Of Items | 1 |
| Number Of Ports | 2 |
| Outlet Connection Size | 0.5 Inches |
| Outlet Connection Type | Compression |
| Part Number | 533112CST |
| Set Name | Multibloc |
| Size | 0.5 inches |
| Specification Met | CE, RoHS, EN 1074-1, EN 1074-2 |
| Thread Size | 22mm |
| Thread Type | BSP |
| Unit Count | 1.0 count |
| Upc | 708747448535 |
| Valve Type | Pressure Relief Valve |
User
Genuine Part
Bought this to replace a valve on the central heating that developed a leak. An exact replacement that’s well engineered. Great product
User
good product
it was a direct replacement and fitted exactly and worked well
User
COLD WATER CONTROL VALVE
GOOD JOB REPLACEMENT, FAST DELIVERY
User
Part worked ok
It did work ok
User
Just the Job
Had a dripping condensate pipe, the PRV on the valve was leaking by. Bought this replacement, as never had any luck replacing the PRV.Arrived quickly, fitted, no problems, very happy.
User
Works well
Good bit of kit for half the price of some alternatives and does the same jobPleased
User
Replaced leaking unit like for like - system watertight again
Original 533112CST lasted about 5 years before starting to leak, as observed in the tundish. It turns out the plumber had installed the old unit with the pressure relief valve circlip facing the wall so had little choice but to buy a complete new unit in order to get the water back on sharpish. FYI on inspecting the original unit it looks like limescale buildup was the cause and could have been repaired with just a new PRV (if you could access the circlip) which would've been just over half price OR, if you're up for a gamble, disassemble the old PRV, descale, reassemble, whack it back in and see what happens...
User
Drop in Replacment
This is a dop in replacement for one that was only two years old. My regular plumber wanted £116 plus vat for the part plus fitting! Very happy to find this and do the job myself in 15 minutes.Excellent service from the supplier so very pleased overall
Trustpilot
2 weeks ago
2 weeks ago