Can I use this on a steam heating boiler

Direct Replacement: Engineered to replace the legacy G93ABA-6 model without pipe manifold modifications

Simplified Maintenance: On-board calibration switches allow for easy adjustment and 0%

Enhanced Durability: The integrated spring assembly provides structural reinforcement to the 6-inch main tube

Is it compatible with TRVs

McDonnell & Miller 53 Water Feeder 30067439-890 Can I use this onThe McDonnell & Miller 53 is a heavy duty mechanical water feeder engineered for maintaining precise water levels in large scale low pressure steam and hot water boilers exceeding 5,000 sq. ft. in capacity. Featuring rugged 1" NPT connections, this part number 136900 is designed to handle a maximum vessel pressure of 75 PSI, offering a significantly higher threshold than the standard 35 PSI found in the Series 51 counterparts. The unit provides