
619559-01 – DEFROST BOARD (LENNOX, 16V37)
10226 Plano Rd, Suite 104, Dallas TX 75238
Questions? Call or text (214) 340-9421
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm
If your heat pump’s outdoor unit is icing up and not defrosting properly, the defrost control board may have failed. This board kit includes the defrost control with time/temperature sensing and anti-short-cycle protection.
Specs: Time/temperature defrost control kit, defrost relay, anti-short cycle, OEM Lennox
Replaces: 100269-04, 12J54, 16V37, 619559-01
Fits: Lennox: 14HPX-030-230-22, 4SHP14LB136P-7; fits other Lennox and Ducane heat pumps
Need help? See our Furnace Not Heating Guide.
In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.
Cross-reference numbers
This part replaces the following OEM and aftermarket numbers:
- 100269-04
- 12J54
- 16V37
- 4SHP14LB136P-7
Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.
Fits these models
- 14HPX-030-230-22




