Home / Replacement parts / Control Box and Components / Infitec Time Delay Module (QSS423B) Infitec Time Delay Module (QSS423B)$44.80 10 in stock Infitec Time Delay Module (QSS423B) quantity Add to Cart SKU: QSS423B Category: Control Box and Components Product ID: 2499 Description Description Infitec Time Delay Module. Replacement timer module for AMS-A, AMS-D and AMS-MM+20. QSS423B You may also like… Finder power relay 30A 2pole, 24VAC coil (66.82.8.024.0300) $18.74 Add to Cart Relay, Motor, SPNO 1/2HP, 24VAC (RMSP.524) W9AS1A52-24V $13.73 Add to Cart Related products Timerco Digital Time Clock 120VAC (TM619-120V) $43.75 Add to Cart Toggle Switch (TFC53) $3.90 Add to Cart Analog Time Clock 120VAC (FM1QTUZ-120) $89.88 Add to Cart