{"product_id":"panasonic-aquarea-zone-water-sensor","title":"Panasonic Aquarea Zone Water Sensor","description":"\u003c!-- SEO Product Name: Panasonic Aquarea Zone Water Sensor (PAW-A2W-TSHC) --\u003e\n\u003cdiv style=\"font-size:16px;font-family:Arial,Helvetica,sans-serif;color:#222;max-width:900px;margin:0 auto;line-height:1.55;\"\u003e\n\u003cp style=\"margin:0 0 14px 0;\"\u003eThe \u003cstrong\u003ePanasonic PAW-A2W-TSHC\u003c\/strong\u003e is a strap-on zone water temperature sensor used to detect the water temperature of a specific control zone on multi-zone Aquarea installations. It mounts directly onto the water pipework using a stainless steel strap and supplied contact paste — no sensor pocket required — and is a standard accessory when configuring \u003cstrong\u003etwo-zone heating control\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:8px;margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eStrap-On\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eMounting type\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eZone 1 or 2\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eControl application\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eMulti-Zone\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eTypical use\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eCZ-NS4P\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eRequires optional PCB\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eIncluded Fittings\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eStrap + paste\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eGenuine Panasonic\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eComponent\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E6F3F1;border-left:4px solid #008377;padding:14px 16px;margin:16px 0;border-radius:0 4px 4px 0;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:4px;\"\u003eRequired for multi-zone control\u003c\/div\u003e\n\u003cdiv\u003eThis sensor is used \u003cstrong\u003ewhen installing multi-zone control\u003c\/strong\u003e — one PAW-A2W-TSHC per zone, reading water temperature at the point specified in Panasonic's hydraulic scheme for your system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E0;border-left:4px solid #C89200;padding:14px 16px;margin:16px 0;border-radius:0 4px 4px 0;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#C89200;margin-bottom:4px;\"\u003eRequires the CZ-NS4P optional PCB\u003c\/div\u003e\n\u003cdiv\u003eZone water sensing is one of the enhanced functions unlocked by fitting the \u003cstrong\u003eCZ-NS4P Optional PCB\u003c\/strong\u003e to the main control board. Without the optional PCB installed, the zone water sensor input is not active — see our CZ-NS4P listing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377;font-size:18px;margin:24px 0 10px 0;padding-bottom:6px;border-bottom:2px solid #008377CF;\"\u003eKey features\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:10px;margin:14px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eStrap-on installation\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eMounts onto the water pipework using a stainless steel metal strap and contact paste, both supplied — no need to cut into pipework or fit a sensor pocket.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eMulti-zone control enablement\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eReads the water temperature of an individual heating zone, feeding the data the Aquarea control logic needs to manage two-zone systems independently.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eGenuine Panasonic component\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eMatched to the exact resistance and temperature characteristics expected by the Aquarea control board — avoiding the reading inaccuracies a generic substitute can introduce.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eStraightforward wiring\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eConnects directly to the CZ-NS4P Optional PCB via a dedicated connector — no additional interface hardware required beyond the PCB itself.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eCompact sensor housing\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eSmall, unobtrusive sensor body designed to sit discreetly against pipework within a cylinder cupboard or plant space.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eWide Aquarea compatibility\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eUsed across multiple Aquarea generations and platforms wherever the CZ-NS4P optional PCB is fitted for advanced zone or system control.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377;font-size:18px;margin:24px 0 10px 0;padding-bottom:6px;border-bottom:2px solid #008377CF;\"\u003eTechnical specification\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"border-collapse:collapse;width:100%;font-size:14.5px;margin:8px 0;\"\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eModel code\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003ePAW-A2W-TSHC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eZone water temperature sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eStrap-on — stainless steel metal strap and contact paste (both included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eTypical application\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eMulti-zone control (one sensor per zone, e.g. Zone 1 and Zone 2 water sensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eRequired companion accessory\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eCZ-NS4P Optional PCB (function only active when PCB is fitted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eConnector reference\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eCN205 \/ equivalent zone sensor input on Optional PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003ePanasonic Aquarea range wherever CZ-NS4P is fitted for enhanced functions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"color:#008377;font-size:18px;margin:24px 0 10px 0;padding-bottom:6px;border-bottom:2px solid #008377CF;\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul style=\"padding-left:22px;margin:8px 0;\"\u003e\n\u003cli style=\"margin-bottom:5px;\"\u003e1 × Panasonic PAW-A2W-TSHC zone water sensor\u003c\/li\u003e\n\u003cli style=\"margin-bottom:5px;\"\u003eStainless steel mounting strap\u003c\/li\u003e\n\u003cli style=\"margin-bottom:5px;\"\u003eContact paste\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color:#008377;font-size:18px;margin:24px 0 10px 0;padding-bottom:6px;border-bottom:2px solid #008377CF;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eDo I need more than one of these?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eFor a \u003cstrong\u003etwo-zone system\u003c\/strong\u003e, you typically need \u003cstrong\u003eone PAW-A2W-TSHC per zone\u003c\/strong\u003e — check your specific hydraulic schematic to confirm exactly how many are required for your configuration.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eDoes this work without the CZ-NS4P PCB?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eNo — zone water sensing is a function unlocked by the \u003cstrong\u003eCZ-NS4P Optional PCB\u003c\/strong\u003e. Without that board fitted to the main control board, this sensor's input isn't active.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eWhere exactly does it mount on the pipework?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003ePer Panasonic's hydraulic scheme for your specific system configuration — refer to the installation manual for the exact zone pipework location. It straps directly onto the pipe using the supplied stainless steel strap and contact paste.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eCan I use a generic strap-on sensor instead?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eNot recommended — the Aquarea control logic expects the specific resistance and temperature characteristics of the genuine Panasonic sensor. A generic substitute risks inaccurate zone temperature readings.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eIs this the same as the buffer tank sensor?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eNo — the \u003cstrong\u003ebuffer tank sensor (PAW-A2W-TSBU)\u003c\/strong\u003e is a separate, pocket-mounted sensor for measuring buffer tank temperature. The PAW-A2W-TSHC is specifically for zone water pipework.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Panasonic","offers":[{"title":"Default Title","offer_id":65714889982301,"sku":null,"price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/PanasonicZoneWaterSensorPANPAW-A2W-TSHC.jpg?v=1787853001","url":"https:\/\/qualityheating.co.uk\/products\/panasonic-aquarea-zone-water-sensor","provider":"AIZO Quality Heating","version":"1.0","type":"link"}