For high-signal selection

maintaining elasticity and sealing force up to 750°F

The Danfoss 020-1012 (NRV 12s) is a professional-grade

For technicians managing HVAC building automation

ZoneFirst PIRR Relay For high-signal selectionThe 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