McDonnell & Miller 27-W Control R-22 Key Benefits for HVACR Contractors

Key Benefits for HVACR Contractors Direct Compatibility: Engineered as the exact replacement for RR and RMABS relays in TAT and older ZoneFirst panels

Enhanced Thermal Sensitivity: Provides specialized lower thermostat calibration to ensure the bottom element activates only when necessary

featuring the exact mounting footprint and terminal configuration required for Lochinvar boilers and A

the unit includes a terminal block capable of accepting 18 to 24 AWG wiring and a secure

the BNR0046 maintains the specific BTU output and orifice sizing required for Trane and American Standard equipment

McDonnell & Miller 27-W Control R-22 Key Benefits for HVACR ContractorsThe McDonnell & Miller 27 W is a robust, float operated liquid level control specifically engineered for make up water applications in open tanks and receivers. This mechanical water feeder features a high capacity valve mechanism that responds to minimal float movement, ensuring a consistent liquid level in commercial and industrial systems. Built with a durable brass body, a Monel valve seat, and an EPDM disc, the 27 W is designed to handle