Caleffi 280 Thermostatic Mixing Valve — Heating Help: The Wall
They are of course open for the Caleffi valve to function. All these valves are full-port ball valves. Normal operation When the system starts cold the Caleffi valve directs supply water through V5 back to the …
Caleffi Discal Dirt Mag vs. Spirovent & Adey Magnaclean
Planning a new hydronic install off a Williamson cast iron boiler. Debating between the all in one dirt and air separator from Caleffi vs separate units from Spirovent for air and Adey Magnaclean XP2 for …
Caleffi Discal not purging air? — Heating Help: The Wall
My hydronic baseboard heating system has a Caleffi Discal for air separation (see image below). The overall system operates nicely, at 20 psi, but I am hearing significant air noise from the pipes and …
CALEFFI Z-one Relay Multi-Zone Valve Control ZVR10X Series Hot Rod …
Jan 4, 2025 · CALEFFI Z-one Relay Multi-Zone Valve Control ZVR10X Series Hot Rod are you out there cutter Member Posts: 312 January 2025
Caleffi PRV question — Heating Help: The Wall
Im using a Caleffi 535H series prv and recently ended up with some dirt / sand running through it and when I pulled it apart it had 2 chunks of sand stuck in the seat as well as sand in the screen. I …
Caleffi manifolds EDIT: When you don't know what you don't know ...
I don't like roof penetrations when I can avoid them, so that fan will be high in the rake wall and is there mostly for show.
Deciding on a new switching relay (Taco vs Caleffi)
The Caleffi ZSR will be going out with removable 40 Va transformers now, same as the ZVR boxes. So you should have plenty of transformer power on board. Needs to be a relay with a 2023 date code, …
Repair of 668S1 Caleffi manifold — Heating Help: The Wall
Hi again, folks, I adjusted the flow on some of the ports on my caleffi 668S1 manifold and a couple of the ports started leaking from the flow-meter side, either between the plastic flow meter and the brass, or …
What air seperator is the Best? — Heating Help: The Wall
Just about every manufacture has an air separator now. They all say theirs is the best. There is Spirovent, Taco, Honeywell, Caleffi, Watts just to name the popular ones. Has anyone ever seen a …
Caleffi air vents any good to replace tacos? Necessary with Spirovent ...
Sep 12, 2009 · With the season coming I wanted to replace a few worn out parts. I have Taco vents on all my zones and except for maybe 2 they are all frozen or not doing much.