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Replace Vaughn TPI with Honeywell?
We have a Vaughn Top Performer Plus indirect hot water heater (five years old), and a recent power surge has destroyed the TPI thermostat.
Since we're in an area that suffers relatively frequent power issues, I'm inclined to replace the Vaughn control with a passive device from Honeywell.
Any reasons not to do this?
Also, can anyone help me understand the differences among L4006A1678, L4006A2007, and L4006A2148? The comparison chart in e.g. http://www.forwardthinking.honeywell.com/related_links/combustion/glowfly/63-9575%20Resi%20Comb%20App%20Guide.pdf (pp 45-47) seem to give identical specs.
Thanks in advance!