Always verify the MPN R2071500 against the specific boiler manual before installation

the hardware configurations differ between the 10-inch DR4200 and 12-inch DR4500 series

ensuring your defrost schedules remain intact during transient power loss or site maintenance

it supports 24Vac/Vdc floating control or two-position (on/off) logic

Compatible with Johnson Controls V46B and V46C water-regulating valves in various pipe sizes

Siemens Industrial Controls 75D73070C Coil 323055-751 Always verify the MPN R2071500The Siemens 75D73070C Coil is a heavy duty NEMA motor starter replacement coil engineered for reliable performance across a broad range of industrial control applications. This dual voltage coil is rated for 220 240V 440 480V AC at 60Hz and 190 220V 380 440V AC at 50Hz, providing the versatility needed for various line power configurations. Specifically designed for NEMA Size 00 through 2. 5 hardware, this magnetic coil is compatible with Siemens and