{"product_id":"honeywell-r7910b1040-sola-hydronic-control-circuit-board-module-d666","title":"Honeywell R7910B1040 Sola Hydronic Control Circuit Board Module  #D666","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e• 24 VAC operating voltage with 120 VAC load voltage capability\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e• Primary heat control with flame supervision and electric ignition • Circulation pump control with 3 programmable outputs • PWM modulation, 0-10 VDC, and 4-20 mA analog outputs • UV or Flame Rod flame detection • Analog NTC temperature sensor inputs (10 kohm) • Dual temperature control loops for Central Heating and Domestic Hot Water • Safety features including frost protection, slow start, anti-condensate, boiler delta-T, stack limit, and boiler limit controls • PID load control for optimal heat management • Digital inputs and outputs • Three status LEDs • Fifteen item alert code status and fault code history • NEMA 1 IP40 rating • Programmable features for customization • Internal or external spark generator capability\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43673187745901,"sku":"14747","price":330.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_e5aebf19-5644-4b54-b91c-3ba9baf09032.jpg?v=1763350034","url":"https:\/\/willardshvacsupply.com\/products\/honeywell-r7910b1040-sola-hydronic-control-circuit-board-module-d666","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}