Caleffi - 22mm Inlet Control Multibloc Valve Group 533002CST

Product Information

Pressure reducing valves (PRV) are installed in domestic water systems to reduce and stabilise the inlet pressure from the mains supply, which is generally too high and variable for domestic appliances to function properly. Caleffi is a decent make, I understand, but these fellows - well, the safety-release-valves - are prone to allowing a drip through after they've been activated. Comprising a pressure reducing valve, a pressure relief valve and check valve, fitted all together in a single inlet control multibloc valve.

This multibloc is comprised of a pressure reducing valve, a pressure relief valve, and an internal check valve.My understanding is the pressure reducing valve ( 3 bar) is to maintain a level and balanced pressure for cold flow and thus level flow and equal pressure on hot water.

Pressure reducing valves are devices which, when installed on a private plumbing system, reduce and stabilise the inlet pressure from the water mains. Or, could your PRV be allowing some flow-by during the night or day when there's no-one running water, and it's allowing the pressure on the domestic side to creep up to the point it drips out the safety valve? This includes a specific connection for a balanced cold water take offs and a dedicated connection for an expansion vessel.But thought best to change the whole thing, and now 6 months later dripping again, to my knowledge not been activated, so annoying faulty again after such short period? Another possibility that I forgot to mention is that the expansion vessel could be undersized - if the EV cannot cope with the amount of hot water expansion in the system it will then have to go somewhere else (the PRV). I'm afraid I don't have much knowledge of these items - I do have a PRV fitted in my own home (and a Caleffi as it happens) but I'm not aware of it having a safety release valve on it.

It has been reconfigured from the original in that the 15mm outflow pipe is an easier connection due to it now being a swivel connector. li>

Technical data:

• Brand - Altecnic
• Product Type - Inlet Control Group Valve Unvented
• Diameter - 22mm
• Connection - 22mm Copper To Copper
• Length - 97mm
• Height - 110mm
• Maximum Working Temp - 65DegreeC
• Pressure Reducing Valve Setting - 3.They help us to identify popular products and understand your browsing habits so we can display relevant adverts to you.