Broad Compatibility: Fully compatible with Fenwal fire alarm smoke and heat detectors using 2-wire or 4-wire bases

Common Questions Is the coil included with this valve body

while applying 230V to a 115V circuit is a fire hazard

12 inches is required to ensure the switch accurately reads the internal plenum temperature

Armstrong Furnace 27X97 Heat Strip Kit Refrigerant Broad Compatibility: Fully compatible withThe Armstrong Furnace 27X97 Heat Strip Kit is a critical OEM component designed for field installation in compatible air handlers and electric furnaces. This 15kW electric heat strip provides essential supplemental or emergency backup heating, delivering approximately 51,180 BTU hr to maintain indoor design temperatures when ambient conditions drop below the heat pump's balance point. As a high capacity auxiliary heating element, it features an