For technicians managing HVAC building automation

the 117U5028 comes with a pre-fitted metal mounting bracket for chassis attachment

Industry Standard Mounting: Equipped with blade terminals for quick

Manual Reset Safety: Prevents dangerous short-cycling by requiring a manual override after a high-limit event

Extended Lead Length: The 34-inch wire provides ample reach for versatile mounting locations within the burner compartment

ZoneFirst PIRR Relay For technicians managing HVAC buildingThe ZoneFirst PIRR is a 24Vac 4PDT Plug In Relay engineered as a direct high performance replacement for RR and RMABS relays. Designed for immediate integration into the 4PDR relay socket, this "ice cube" style component is a fundamental requirement for maintaining legacy electromechanical zone control panels, including older TAT Mark IV, V, VII, VIII, XXXI II, and MM 2 3 systems. This relay features gold flashed silver alloy contacts rated for 3A at