{"product_id":"oem-lennox-research-products-50-current-sensing-relay-21-24v-52p97","title":"OEM Lennox Research Products 50 Current Sensing Relay 21-24V — 52P97","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 52P97\u003c\/strong\u003e is a genuine OEM Research Products Series 50 Current Sensing Relay rated for 21–24 VAC at 50–60 Hz, featuring a black housing for easy identification. This relay monitors current flow in the HVAC circuit and triggers connected accessories — such as humidifiers or ventilators — to operate in sync with the main system. Symptoms of a failed relay include accessories not activating with the system, erratic operation, or complete accessory failure on compatible Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081060401523,"sku":"LNX-52P97","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-research-products-50-current-sensing-relay-21-24v-52p97","provider":"National HVAC Parts","version":"1.0","type":"link"}