Thermco 3kW immersion heater element with integrated 1 1/2″ Boss connection and thermostat control. The 13027-WPYSR delivers reliable heating performance for domestic and light commercial hot water systems. Precision thermostat regulation maintains consistent water temperature whilst the robust Boss fitting ensures secure installation in standard cylinder bosses. Ideal for retrofit applications and system upgrades where space and compatibility are critical. Engineered to professional standards for installer confidence and long-term dependability.
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