{"product_id":"oem-lennox-103454-01-thermal-sequencer-relay-spst-n-o-24v-88w78","title":"OEM Lennox 103454-01 Thermal Sequencer Relay SPST N.O. 24V — 88W78","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 88W78\u003c\/strong\u003e is a genuine OEM Thermal Sequencer Relay, also referenced as part number 103454-01, featuring a single-pole single-throw normally open (SPST N.O.) configuration with an On delay of 25–50 seconds and an Off delay of 25–45 seconds at 24 volts. Used in Lennox electric heating systems, this sequencer relay stages the electric heating elements to prevent all elements from energizing simultaneously, protecting the electrical system and ensuring efficient heat distribution. Symptoms of failure include no heat, partial heating, or repeatedly tripped breakers — this direct OEM replacement restores proper sequenced operation to your Lennox system.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081031565683,"sku":"LNX-88W78","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-103454-01-thermal-sequencer-relay-spst-n-o-24v-88w78","provider":"National HVAC Parts","version":"1.0","type":"link"}