Cold water and boiler-fed tanks
Anchorage drinks Eklutna Lake water delivered by AWWU, and its inlet temperature sits in the upper 30s for much of the year. Fairbanks, Juneau and the Mat-Su towns see similarly frigid supply, whether from city systems or private wells, and many rural wells carry iron that stains and clogs tanks. Indirect tanks heated off a gas or oil boiler are common, so a cold faucet can trace back to a zone valve or circulator rather than the tank.
Seismic rules, certificates and prices
After the November 2018 quake near Anchorage, properly strapped heaters with flexible connectors proved their worth. Alaska plumbers work under a certificate of fitness from the Department of Labor and Workforce Development, and the Municipality of Anchorage issues its own permits, while many smaller communities have little local permitting. Freight and labor costs make Alaska jobs pricier than in the Lower 48, with most fixes landing between $200 and $700 and a standard gas tank swap in Anchorage near $2,000 to $3,800. Planning a swap? Our replacement guide walks through the options.