Honeywell aquastat l8148e transformer. A call for heat by the thermostat starts both the burner and the circulator. The Honeywell 51300 L8148E-1299 is an Aquastat Relay with a Overload Protection capability of 10A at 125VAC. Jan 26, 2012 · I bought a new Honeywell 8148E aquastat and a new 40VA transformer to go with it. The L8148A,E,J Aquastat® Relays are immersion-type controllers for use with forced hydronic heating systems. Vertical Mounting Case. No zone valves or relays can be powered from the L8148 when used with SV9500/SV9600 gas valves. APPLICATION L8148A,E Aquastat® Relays are immersion type controllers for use with forced hydronic heating systems. 2A. What is the replacement aquastat? Models available with plug (L8148E) and 50 VA transformer are for use with the Resideo SV9500/SV9600 SmartValve® System Control. But I've had this happen before, and it's possible to buy a standard transformer, mount it outside the Aquastat somewhere and wire it in. If boiler water temperature exceeds the high-limit setting . Select models include transformer and accessory terminals for adding a remote low limit controller. Honeywell L8148-series aquastat model differences Honeywell offers aquastat controllers for both oil and gas fired heating equipment such as hydronic (hot water) heating boilers and water heaters. Requires a 24 Vac thermostat with heat anticipator set at 0. The L8148E has a built in transformer as you probably know and as far as I know, there is no exact replacement available. Both single function (high limit or low limit are separate controls) and multi-function aquastats are provided. The reference indicated in the cover is only L8148E but while looking to buy a replacement I found many differents other sub references, (L8148E -1257, L8148E -1265,) how could I know the one to buy (the transform is 24V when it works)? All models control line-voltage circulator circuits. Feb 14, 2025 · Product Overview: Immersion-type controllers that combine high limit protection with switching relay control of burner and circulator motors. Features: High limit opens burner circuit only. The combination high limit and intermediate switching relay works with a low voltage (24V) thermostat to control burner and circulator circuits. " The Honeywell L8148E1299 Aquastat Relay Immersion Type Controller is an immersion-type controller that combines high limit protection with switching relay control of burner and circulator motors. It has a Max of 50VA and a Time Delay Capability of 1 to 9 SEC on 4-1/2" Capillary as well as SCR (PT) OVERLOAD PRIORITY. I have the control board manual, which does not identify the common terminal. The L8148 Aquastat® Relays are immersion type hydronic controllers that combine high limit protection with switching relay control of burner and circulator motors. L8148A,E,J have provisions for adding low-limit controllers; L8148E,J can power valves in multizone systems. Boiler it is installed on in service 1989. I am running a Burnham gas fired boiler with a standing pilot and a vent damper. My best guess is it's where the blue wire connects to a terminal marked "B. Dec 2, 2016 · L8148e is the complete number on this Honeywell aquastat relay. No additional numbers. L8148E is available with a plug and 50 VA transformer for use with Resideo Smart Valve SV9500/SV9600. Oct 1, 2022 · I need to install a Nest Power Connector to my Honeywell Aquastat Relay Type L8148E control board on my heat-only system (hot water boiler). lkkevj jwra xrhoo pohmtk lggyibo rpkt nqhe ppwb cczow sizbif